2696979957 has 16 divisors (see below), whose sum is σ = 4123080192. Its totient is φ = 1536107760.

The previous prime is 2696979953. The next prime is 2696979979. The reversal of 2696979957 is 7599796962.

It is not a de Polignac number, because 2696979957 - 2² = 2696979953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2696979891 and 2696979900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2696979953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202719 + ... + 215612.

It is an arithmetic number, because the mean of its divisors is an integer number (257692512).

Almost surely, 2^2696979957 is an apocalyptic number.

It is an amenable number.

2696979957 is a deficient number, since it is larger than the sum of its proper divisors (1426100235).

2696979957 is a wasteful number, since it uses less digits than its factorization.

2696979957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418648.

The product of its digits is 115736040, while the sum is 69.

The square root of 2696979957 is about 51932.4557189432. The cubic root of 2696979957 is about 1391.9572786920.

The spelling of 2696979957 in words is "two billion, six hundred ninety-six million, nine hundred seventy-nine thousand, nine hundred fifty-seven".