390627621169 has 8 divisors (see below), whose sum is σ = 400386061152. Its totient is φ = 380899821120.

The previous prime is 390627621161. The next prime is 390627621173. The reversal of 390627621169 is 961126726093.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 390627621169 - 2³ = 390627621161 is a prime.

It is a super-2 number, since 2×390627621169² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (390627621161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7634167 + ... + 7685164.

It is an arithmetic number, because the mean of its divisors is an integer number (50048257644).

Almost surely, 2^390627621169 is an apocalyptic number.

It is an amenable number.

390627621169 is a deficient number, since it is larger than the sum of its proper divisors (9758439983).

390627621169 is a wasteful number, since it uses less digits than its factorization.

390627621169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15319967.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 390627621169 in words is "three hundred ninety billion, six hundred twenty-seven million, six hundred twenty-one thousand, one hundred sixty-nine".