2136962857 has 2 divisors, whose sum is σ = 2136962858. Its totient is φ = 2136962856.

The previous prime is 2136962843. The next prime is 2136962911. The reversal of 2136962857 is 7582696312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1973225241 + 163737616 = 44421^2 + 12796^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2136962857 is a prime.

It is a super-2 number, since 2×2136962857² = 9133220504395204898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2136962857.

It is not a weakly prime, because it can be changed into another prime (2136962827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068481428 + 1068481429.

It is an arithmetic number, because the mean of its divisors is an integer number (1068481429).

Almost surely, 2^2136962857 is an apocalyptic number.

It is an amenable number.

2136962857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136962857 is an equidigital number, since it uses as much as digits as its factorization.

2136962857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 49.

The square root of 2136962857 is about 46227.2955838864. The cubic root of 2136962857 is about 1288.0488213767.

The spelling of 2136962857 in words is "two billion, one hundred thirty-six million, nine hundred sixty-two thousand, eight hundred fifty-seven".