49231621924 has 27 divisors (see below), whose sum is σ = 90944062587. Its totient is φ = 23316248088.

The previous prime is 49231621913. The next prime is 49231621927. The reversal of 49231621924 is 42912613294.

The square root of 49231621924 is 221882.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49231621927) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8428597 + ... + 8434435.

Almost surely, 2^49231621924 is an apocalyptic number.

49231621924 is the 221882-nd square number.

It is an amenable number.

49231621924 is a deficient number, since it is larger than the sum of its proper divisors (41712440663).

49231621924 is an frugal number, since it uses more digits than its factorization.

49231621924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11720 (or 5860 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The spelling of 49231621924 in words is "forty-nine billion, two hundred thirty-one million, six hundred twenty-one thousand, nine hundred twenty-four".