2696979961 has 16 divisors (see below), whose sum is σ = 3013113600. Its totient is φ = 2396858688.

The previous prime is 2696979953. The next prime is 2696979979. The reversal of 2696979961 is 1699796962.

It is a cyclic number.

It is not a de Polignac number, because 2696979961 - 2³ = 2696979953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2696979893 and 2696979902.

It is not an unprimeable number, because it can be changed into a prime (2696979911) 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, 125380 + ... + 145306.

It is an arithmetic number, because the mean of its divisors is an integer number (188319600).

Almost surely, 2^2696979961 is an apocalyptic number.

It is an amenable number.

2696979961 is a deficient number, since it is larger than the sum of its proper divisors (316133639).

2696979961 is a wasteful number, since it uses less digits than its factorization.

2696979961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20328.

The product of its digits is 19840464, while the sum is 64.

The square root of 2696979961 is about 51932.4557574548. The cubic root of 2696979961 is about 1391.9572793802.

The spelling of 2696979961 in words is "two billion, six hundred ninety-six million, nine hundred seventy-nine thousand, nine hundred sixty-one".