2659438704 has 80 divisors (see below), whose sum is σ = 7405866272. Its totient is φ = 817496064.

The previous prime is 2659438697. The next prime is 2659438723. The reversal of 2659438704 is 4078349562.

It is a super-2 number, since 2×2659438704² = 14145228440666399232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1257552 + ... + 1259664.

Almost surely, 2^2659438704 is an apocalyptic number.

2659438704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2659438704 is an abundant number, since it is smaller than the sum of its proper divisors (4746427568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2659438704 is a wasteful number, since it uses less digits than its factorization.

2659438704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154 (or 4148 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 2659438704 is about 51569.7460144996. The cubic root of 2659438704 is about 1385.4685176553.

The spelling of 2659438704 in words is "two billion, six hundred fifty-nine million, four hundred thirty-eight thousand, seven hundred four".