2136708677 has 2 divisors, whose sum is σ = 2136708678. Its totient is φ = 2136708676.

The previous prime is 2136708667. The next prime is 2136708703. The reversal of 2136708677 is 7768076312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1766184676 + 370524001 = 42026^2 + 19249^2 .

It is a cyclic number.

It is not a de Polignac number, because 2136708677 - 2⁸ = 2136708421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2136708617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068354338 + 1068354339.

It is an arithmetic number, because the mean of its divisors is an integer number (1068354339).

Almost surely, 2^2136708677 is an apocalyptic number.

It is an amenable number.

2136708677 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136708677 is an equidigital number, since it uses as much as digits as its factorization.

2136708677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 592704, while the sum is 47.

The square root of 2136708677 is about 46224.5462606179. The cubic root of 2136708677 is about 1287.9977505731.

The spelling of 2136708677 in words is "two billion, one hundred thirty-six million, seven hundred eight thousand, six hundred seventy-seven".