15421430764 has 12 divisors (see below), whose sum is σ = 26996517688. Its totient is φ = 7708140000.

The previous prime is 15421430741. The next prime is 15421430771. The reversal of 15421430764 is 46703412451.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630342 + ... + 654349.

Almost surely, 2^15421430764 is an apocalyptic number.

It is an amenable number.

15421430764 is a deficient number, since it is larger than the sum of its proper divisors (11575086924).

15421430764 is a wasteful number, since it uses less digits than its factorization.

15421430764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287696 (or 1287694 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 15421430764 in words is "fifteen billion, four hundred twenty-one million, four hundred thirty thousand, seven hundred sixty-four".