380537601621 has 8 divisors (see below), whose sum is σ = 513084407040. Its totient is φ = 250841265312.

The previous prime is 380537601601. The next prime is 380537601641. The reversal of 380537601621 is 126106735083.

It is an interprime number because it is at equal distance from previous prime (380537601601) and next prime (380537601641).

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

It is not a de Polignac number, because 380537601621 - 2⁵ = 380537601589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380537601601) 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 in 7 ways as a sum of consecutive naturals, for example, 712616965 + ... + 712617498.

It is an arithmetic number, because the mean of its divisors is an integer number (64135550880).

Almost surely, 2^380537601621 is an apocalyptic number.

It is an amenable number.

380537601621 is a deficient number, since it is larger than the sum of its proper divisors (132546805419).

380537601621 is a wasteful number, since it uses less digits than its factorization.

380537601621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425234555.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 380537601621 in words is "three hundred eighty billion, five hundred thirty-seven million, six hundred one thousand, six hundred twenty-one".