36713765215021 has 2 divisors, whose sum is σ = 36713765215022. Its totient is φ = 36713765215020.

The previous prime is 36713765215013. The next prime is 36713765215069. The reversal of 36713765215021 is 12051256731763.

36713765215021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21400153560900 + 15313611654121 = 4626030^2 + 3913261^2 .

It is a cyclic number.

It is not a de Polignac number, because 36713765215021 - 2³ = 36713765215013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36713765215081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18356882607510 + 18356882607511.

It is an arithmetic number, because the mean of its divisors is an integer number (18356882607511).

Almost surely, 2^{36713765215021} is an apocalyptic number.

It is an amenable number.

36713765215021 is a deficient number, since it is larger than the sum of its proper divisors (1).

36713765215021 is an equidigital number, since it uses as much as digits as its factorization.

36713765215021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 36713765215021 in words is "thirty-six trillion, seven hundred thirteen billion, seven hundred sixty-five million, two hundred fifteen thousand, twenty-one".