15477350464 has 21 divisors (see below), whose sum is σ = 30714842431. Its totient is φ = 7738177600.

The previous prime is 15477350461. The next prime is 15477350503. The reversal of 15477350464 is 46405377451.

The square root of 15477350464 is 124408.

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

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15477350461) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 987489 + ... + 1003039.

Almost surely, 2^15477350464 is an apocalyptic number.

15477350464 is the 124408-th square number.

It is an amenable number.

15477350464 is a deficient number, since it is larger than the sum of its proper divisors (15237491967).

15477350464 is an frugal number, since it uses more digits than its factorization.

15477350464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31114 (or 15553 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 46.

The spelling of 15477350464 in words is "fifteen billion, four hundred seventy-seven million, three hundred fifty thousand, four hundred sixty-four".