2600696961 has 6 divisors (see below), whose sum is σ = 3756562290. Its totient is φ = 1733797968.

The previous prime is 2600696957. The next prime is 2600696999. The reversal of 2600696961 is 1696960062.

It can be written as a sum of positive squares in only one way, i.e., 2592744561 + 7952400 = 50919^2 + 2820^2 .

It is not a de Polignac number, because 2600696961 - 2² = 2600696957 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2600696951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144483156 + ... + 144483173.

It is an arithmetic number, because the mean of its divisors is an integer number (626093715).

Almost surely, 2^2600696961 is an apocalyptic number.

It is an amenable number.

2600696961 is a deficient number, since it is larger than the sum of its proper divisors (1155865329).

2600696961 is a wasteful number, since it uses less digits than its factorization.

2600696961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288966335 (or 288966332 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 2600696961 is about 50997.0289428708. The cubic root of 2600696961 is about 1375.1917239653.

The spelling of 2600696961 in words is "two billion, six hundred million, six hundred ninety-six thousand, nine hundred sixty-one".