15229964642 has 32 divisors (see below), whose sum is σ = 24297752064. Its totient is φ = 7146921600.

The previous prime is 15229964639. The next prime is 15229964657. The reversal of 15229964642 is 24646992251.

15229964642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707417 + ... + 728627.

It is an arithmetic number, because the mean of its divisors is an integer number (759304752).

Almost surely, 2^15229964642 is an apocalyptic number.

15229964642 is a deficient number, since it is larger than the sum of its proper divisors (9067787422).

15229964642 is a wasteful number, since it uses less digits than its factorization.

15229964642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21594.

The product of its digits is 1866240, while the sum is 50.

The spelling of 15229964642 in words is "fifteen billion, two hundred twenty-nine million, nine hundred sixty-four thousand, six hundred forty-two".