13910721952 has 24 divisors (see below), whose sum is σ = 27733406400. Its totient is φ = 6867317184.

The previous prime is 13910721901. The next prime is 13910722013. The reversal of 13910721952 is 25912701931.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2748802 + ... + 2753857.

It is an arithmetic number, because the mean of its divisors is an integer number (1155558600).

Almost surely, 2^13910721952 is an apocalyptic number.

It is an amenable number.

13910721952 is a deficient number, since it is larger than the sum of its proper divisors (13822684448).

13910721952 is an equidigital number, since it uses as much as digits as its factorization.

13910721952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502748 (or 5502740 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 40.

The spelling of 13910721952 in words is "thirteen billion, nine hundred ten million, seven hundred twenty-one thousand, nine hundred fifty-two".