36731623091 has 2 divisors, whose sum is σ = 36731623092. Its totient is φ = 36731623090.

The previous prime is 36731623081. The next prime is 36731623153. The reversal of 36731623091 is 19032613763.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36731623091 is a prime.

It is not a weakly prime, because it can be changed into another prime (36731623021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18365811545 + 18365811546.

It is an arithmetic number, because the mean of its divisors is an integer number (18365811546).

Almost surely, 2^36731623091 is an apocalyptic number.

36731623091 is a deficient number, since it is larger than the sum of its proper divisors (1).

36731623091 is an equidigital number, since it uses as much as digits as its factorization.

36731623091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 41.

The spelling of 36731623091 in words is "thirty-six billion, seven hundred thirty-one million, six hundred twenty-three thousand, ninety-one".