389316414621 has 4 divisors (see below), whose sum is σ = 519088552832. Its totient is φ = 259544276412.

The previous prime is 389316414577. The next prime is 389316414703. The reversal of 389316414621 is 126414613983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 389316414621 - 2¹⁷ = 389316283549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389316414821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64886069101 + ... + 64886069106.

It is an arithmetic number, because the mean of its divisors is an integer number (129772138208).

Almost surely, 2^389316414621 is an apocalyptic number.

It is an amenable number.

389316414621 is a deficient number, since it is larger than the sum of its proper divisors (129772138211).

389316414621 is a wasteful number, since it uses less digits than its factorization.

389316414621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129772138210.

The product of its digits is 746496, while the sum is 48.

The spelling of 389316414621 in words is "three hundred eighty-nine billion, three hundred sixteen million, four hundred fourteen thousand, six hundred twenty-one".