36456620252721 has 16 divisors (see below), whose sum is σ = 49304040206400. Its totient is φ = 23958111242240.

The previous prime is 36456620252711. The next prime is 36456620252761. The reversal of 36456620252721 is 12725202665463.

It is a cyclic number.

It is not a de Polignac number, because 36456620252721 - 2¹⁰ = 36456620251697 is a prime.

It is a super-2 number, since 2×36456620252721² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36456620252711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162930660 + ... + 163154261.

It is an arithmetic number, because the mean of its divisors is an integer number (3081502512900).

Almost surely, 2^{36456620252721} is an apocalyptic number.

It is an amenable number.

36456620252721 is a deficient number, since it is larger than the sum of its proper divisors (12847419953679).

36456620252721 is a wasteful number, since it uses less digits than its factorization.

36456620252721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326085456.

The product of its (nonzero) digits is 7257600, while the sum is 51.

The spelling of 36456620252721 in words is "thirty-six trillion, four hundred fifty-six billion, six hundred twenty million, two hundred fifty-two thousand, seven hundred twenty-one".