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3442572243889 = 997218612
BaseRepresentation
bin110010000110001001010…
…010111011001110110001
3110012002212210000201012121
4302012021102323032301
5422400341443301024
611153255034354241
7503501102155162
oct62061122731661
913162783021177
103442572243889
111107a94314009
1247723a58b981
131bc8300c5bac
14bc89b121769
155e8388708e4
hex321894bb3b1

3442572243889 has 9 divisors (see below), whose sum is σ = 3447881341281. Its totient is φ = 3437271317520.

The previous prime is 3442572243883. The next prime is 3442572243899. The reversal of 3442572243889 is 9883422752443.

The square root of 3442572243889 is 1855417.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 403853895025 + 3038718348864 = 635495^2 + 1743192^2 .

It is not a de Polignac number, because 3442572243889 - 23 = 3442572243881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3442572243881) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1849849819 + ... + 1849851679.

It is an arithmetic number, because the mean of its divisors is an integer number (383097926809).

Almost surely, 23442572243889 is an apocalyptic number.

3442572243889 is the 1855417-th square number.

3442572243889 is the 927709-th centered octagonal number.

It is an amenable number.

3442572243889 is a deficient number, since it is larger than the sum of its proper divisors (5309097392).

3442572243889 is an frugal number, since it uses more digits than its factorization.

3442572243889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5716 (or 2858 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 61.

The spelling of 3442572243889 in words is "three trillion, four hundred forty-two billion, five hundred seventy-two million, two hundred forty-three thousand, eight hundred eighty-nine".

Divisors: 1 997 1861 994009 1855417 3463321 1849850749 3452931037 3442572243889