36317574721 has 2 divisors, whose sum is σ = 36317574722. Its totient is φ = 36317574720.

The previous prime is 36317574707. The next prime is 36317574751. The reversal of 36317574721 is 12747571363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25844099121 + 10473475600 = 160761^2 + 102340^2 .

It is a cyclic number.

It is not a de Polignac number, because 36317574721 - 2²⁹ = 35780703809 is a prime.

It is not a weakly prime, because it can be changed into another prime (36317574751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18158787360 + 18158787361.

It is an arithmetic number, because the mean of its divisors is an integer number (18158787361).

Almost surely, 2^36317574721 is an apocalyptic number.

It is an amenable number.

36317574721 is a deficient number, since it is larger than the sum of its proper divisors (1).

36317574721 is an equidigital number, since it uses as much as digits as its factorization.

36317574721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 740880, while the sum is 46.

The spelling of 36317574721 in words is "thirty-six billion, three hundred seventeen million, five hundred seventy-four thousand, seven hundred twenty-one".