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2429338881 = 3809779627

2429338881 has 4 divisors (see below), whose sum is σ = 3239118512. Its totient is φ = 1619559252.

The previous prime is 2429338871. The next prime is 2429338883. The reversal of 2429338881 is 1888339242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2429338881 - 27 = 2429338753 is a prime.

It is a super-2 number, since 2×24293388812 = 11803374797476664322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2429338881.

It is not an unprimeable number, because it can be changed into a prime (2429338883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404889811 + ... + 404889816.

It is an arithmetic number, because the mean of its divisors is an integer number (809779628).

Almost surely, 22429338881 is an apocalyptic number.

It is an amenable number.

2429338881 is a deficient number, since it is larger than the sum of its proper divisors (809779631).

2429338881 is an equidigital number, since it uses as much as digits as its factorization.

2429338881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809779630.

The product of its digits is 663552, while the sum is 48.

The square root of 2429338881 is about 49288.3239824606. The cubic root of 2429338881 is about 1344.2994893765.

The spelling of 2429338881 in words is "two billion, four hundred twenty-nine million, three hundred thirty-eight thousand, eight hundred eighty-one".

Divisors: 1 3 809779627 2429338881