15315593484 has 12 divisors (see below), whose sum is σ = 35736384824. Its totient is φ = 5105197824.

The previous prime is 15315593453. The next prime is 15315593543. The reversal of 15315593484 is 48439551351.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638149717 + ... + 638149740.

Almost surely, 2^15315593484 is an apocalyptic number.

It is an amenable number.

15315593484 is an abundant number, since it is smaller than the sum of its proper divisors (20420791340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15315593484 is a wasteful number, since it uses less digits than its factorization.

15315593484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276299464 (or 1276299462 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 48.

The spelling of 15315593484 in words is "fifteen billion, three hundred fifteen million, five hundred ninety-three thousand, four hundred eighty-four".