2657328704 has 14 divisors (see below), whose sum is σ = 5273136774. Its totient is φ = 1328664320.

The previous prime is 2657328691. The next prime is 2657328721. The reversal of 2657328704 is 4078237562.

It can be written as a sum of positive squares in only one way, i.e., 2204490304 + 452838400 = 46952^2 + 21280^2 .

It is a super-2 number, since 2×2657328704² = 14122791682204639232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20760317 + ... + 20760444.

Almost surely, 2^2657328704 is an apocalyptic number.

It is an amenable number.

2657328704 is a deficient number, since it is larger than the sum of its proper divisors (2615808070).

2657328704 is an equidigital number, since it uses as much as digits as its factorization.

2657328704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41520773 (or 41520763 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The square root of 2657328704 is about 51549.2842239347. The cubic root of 2657328704 is about 1385.1020102372.

The spelling of 2657328704 in words is "two billion, six hundred fifty-seven million, three hundred twenty-eight thousand, seven hundred four".