2569298642 has 8 divisors (see below), whose sum is σ = 3861521100. Its totient is φ = 1282124944.

The previous prime is 2569298603. The next prime is 2569298653. The reversal of 2569298642 is 2468929652.

It can be written as a sum of positive squares in 2 ways, for example, as 2548129441 + 21169201 = 50479^2 + 4601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260917 + ... + 1262952.

Almost surely, 2^2569298642 is an apocalyptic number.

2569298642 is a deficient number, since it is larger than the sum of its proper divisors (1292222458).

2569298642 is a wasteful number, since it uses less digits than its factorization.

2569298642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524380.

The product of its digits is 3732480, while the sum is 53.

The square root of 2569298642 is about 50688.2495456294. The cubic root of 2569298642 is about 1369.6350533067.

The spelling of 2569298642 in words is "two billion, five hundred sixty-nine million, two hundred ninety-eight thousand, six hundred forty-two".