2136730993 has 2 divisors, whose sum is σ = 2136730994. Its totient is φ = 2136730992.

The previous prime is 2136730963. The next prime is 2136731011. The reversal of 2136730993 is 3990376312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2104332129 + 32398864 = 45873^2 + 5692^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2136730993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2136730903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068365496 + 1068365497.

It is an arithmetic number, because the mean of its divisors is an integer number (1068365497).

Almost surely, 2^2136730993 is an apocalyptic number.

It is an amenable number.

2136730993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136730993 is an equidigital number, since it uses as much as digits as its factorization.

2136730993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183708, while the sum is 43.

The square root of 2136730993 is about 46224.7876468892. The cubic root of 2136730993 is about 1288.0022345502.

The spelling of 2136730993 in words is "two billion, one hundred thirty-six million, seven hundred thirty thousand, nine hundred ninety-three".