13975829646 has 16 divisors (see below), whose sum is σ = 28239821904. Its totient is φ = 4610582784.

The previous prime is 13975829579. The next prime is 13975829683. The reversal of 13975829646 is 64692857931.

It is a self number, because there is not a number n which added to its sum of digits gives 13975829646.

It is a congruent number.

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, 12006145 + ... + 12007308.

It is an arithmetic number, because the mean of its divisors is an integer number (1764988869).

Almost surely, 2^13975829646 is an apocalyptic number.

13975829646 is an abundant number, since it is smaller than the sum of its proper divisors (14263992258).

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

13975829646 is a wasteful number, since it uses less digits than its factorization.

13975829646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24013555.

The product of its digits is 19595520, while the sum is 60.

The spelling of 13975829646 in words is "thirteen billion, nine hundred seventy-five million, eight hundred twenty-nine thousand, six hundred forty-six".