2316809961 has 6 divisors (see below), whose sum is σ = 3346503290. Its totient is φ = 1544539968.

The previous prime is 2316809947. The next prime is 2316809977. The reversal of 2316809961 is 1699086132.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1197506025 + 1119303936 = 34605^2 + 33456^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2316809961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2316809921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128711656 + ... + 128711673.

Almost surely, 2^2316809961 is an apocalyptic number.

It is an amenable number.

2316809961 is a deficient number, since it is larger than the sum of its proper divisors (1029693329).

2316809961 is a wasteful number, since it uses less digits than its factorization.

2316809961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257423335 (or 257423332 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 2316809961 is about 48133.2521340497. The cubic root of 2316809961 is about 1323.2141524949.

The spelling of 2316809961 in words is "two billion, three hundred sixteen million, eight hundred nine thousand, nine hundred sixty-one".