47589916621 has 16 divisors (see below), whose sum is σ = 53225322304. Its totient is φ = 42267101184.

The previous prime is 47589916523. The next prime is 47589916643. The reversal of 47589916621 is 12661998574.

It is a cyclic number.

It is not a de Polignac number, because 47589916621 - 2¹⁵ = 47589883853 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 (47589916651) 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, 597876 + ... + 672781.

It is an arithmetic number, because the mean of its divisors is an integer number (3326582644).

Almost surely, 2^47589916621 is an apocalyptic number.

It is an amenable number.

47589916621 is a deficient number, since it is larger than the sum of its proper divisors (5635405683).

47589916621 is a wasteful number, since it uses less digits than its factorization.

47589916621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270780.

The product of its digits is 6531840, while the sum is 58.

The spelling of 47589916621 in words is "forty-seven billion, five hundred eighty-nine million, nine hundred sixteen thousand, six hundred twenty-one".