36956730871321 has 2 divisors, whose sum is σ = 36956730871322. Its totient is φ = 36956730871320.

The previous prime is 36956730871303. The next prime is 36956730871433. The reversal of 36956730871321 is 12317803765963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35421411624921 + 1535319246400 = 5951589^2 + 1239080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36956730871321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36956730871321.

It is not a weakly prime, because it can be changed into another prime (36956730871121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18478365435660 + 18478365435661.

It is an arithmetic number, because the mean of its divisors is an integer number (18478365435661).

Almost surely, 2^{36956730871321} is an apocalyptic number.

It is an amenable number.

36956730871321 is a deficient number, since it is larger than the sum of its proper divisors (1).

36956730871321 is an equidigital number, since it uses as much as digits as its factorization.

36956730871321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34292160, while the sum is 61.

The spelling of 36956730871321 in words is "thirty-six trillion, nine hundred fifty-six billion, seven hundred thirty million, eight hundred seventy-one thousand, three hundred twenty-one".