2839760855281 has 49 divisors (see below), whose sum is σ = 3520115943919. Its totient is φ = 2290899513504.

The previous prime is 2839760855251. The next prime is 2839760855299. The reversal of 2839760855281 is 1825580679382.

The square root of 2839760855281 is 1685159.

The cubic root of 2839760855281 is 14161.

It is a perfect power (a square, a cube, a 6-th power), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 28826946225 + 2810933909056 = 169785^2 + 1676584^2 .

It is a tau number, because it is divible by the number of its divisors (49).

It is not a de Polignac number, because 2839760855281 - 2⁷ = 2839760855153 is a prime.

It is a super-2 number, since 2×2839760855281² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2839760855201) by changing a digit.

It is a polite number, since it can be written in 48 ways as a sum of consecutive naturals, for example, 167044756185 + ... + 167044756201.

Almost surely, 2^{2839760855281} is an apocalyptic number.

2839760855281 is the 1685159-th square number.

2839760855281 is the 842580-th centered octagonal number.

It is an amenable number.

2839760855281 is a deficient number, since it is larger than the sum of its proper divisors (680355088638).

2839760855281 is an frugal number, since it uses more digits than its factorization.

2839760855281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 64.

Multiplying 2839760855281 by its sum of digits (64), we get a 6-th power (181744694737984 = 238⁶).

The spelling of 2839760855281 in words is "two trillion, eight hundred thirty-nine billion, seven hundred sixty million, eight hundred fifty-five thousand, two hundred eighty-one".