2136496931 has 2 divisors, whose sum is σ = 2136496932. Its totient is φ = 2136496930.

The previous prime is 2136496891. The next prime is 2136496951. The reversal of 2136496931 is 1396946312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2136496931 - 2⁶ = 2136496867 is a prime.

It is a super-2 number, since 2×2136496931² = 9129238272344837522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2136496951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068248465 + 1068248466.

It is an arithmetic number, because the mean of its divisors is an integer number (1068248466).

Almost surely, 2^2136496931 is an apocalyptic number.

2136496931 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136496931 is an equidigital number, since it uses as much as digits as its factorization.

2136496931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 44.

The square root of 2136496931 is about 46222.2557973970. The cubic root of 2136496931 is about 1287.9552026763.

The spelling of 2136496931 in words is "two billion, one hundred thirty-six million, four hundred ninety-six thousand, nine hundred thirty-one".