15625349242 has 16 divisors (see below), whose sum is σ = 23646984192. Its totient is φ = 7743148560.

The previous prime is 15625349237. The next prime is 15625349261. The reversal of 15625349242 is 24294352651.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218392 + ... + 280972.

It is an arithmetic number, because the mean of its divisors is an integer number (1477936512).

Almost surely, 2^15625349242 is an apocalyptic number.

15625349242 is a deficient number, since it is larger than the sum of its proper divisors (8021634950).

15625349242 is a wasteful number, since it uses less digits than its factorization.

15625349242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63693.

The product of its digits is 518400, while the sum is 43.

The spelling of 15625349242 in words is "fifteen billion, six hundred twenty-five million, three hundred forty-nine thousand, two hundred forty-two".