15349849656 has 32 divisors (see below), whose sum is σ = 40394342400. Its totient is φ = 4847320800.

The previous prime is 15349849631. The next prime is 15349849663. The reversal of 15349849656 is 65694894351.

15349849656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 15349849656.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 16830520 + ... + 16831431.

It is an arithmetic number, because the mean of its divisors is an integer number (1262323200).

Almost surely, 2^15349849656 is an apocalyptic number.

It is an amenable number.

15349849656 is an abundant number, since it is smaller than the sum of its proper divisors (25044492744).

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

15349849656 is a wasteful number, since it uses less digits than its factorization.

15349849656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33661979 (or 33661975 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 60.

The spelling of 15349849656 in words is "fifteen billion, three hundred forty-nine million, eight hundred forty-nine thousand, six hundred fifty-six".