13691982624 has 24 divisors (see below), whose sum is σ = 35941454640. Its totient is φ = 4563994176.

The previous prime is 13691982607. The next prime is 13691982641. The reversal of 13691982624 is 42628919631.

It is an interprime number because it is at equal distance from previous prime (13691982607) and next prime (13691982641).

It is a tau number, because it is divible by the number of its divisors (24).

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, 71312314 + ... + 71312505.

It is an arithmetic number, because the mean of its divisors is an integer number (1497560610).

Almost surely, 2^13691982624 is an apocalyptic number.

It is an amenable number.

13691982624 is an abundant number, since it is smaller than the sum of its proper divisors (22249472016).

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

13691982624 is a wasteful number, since it uses less digits than its factorization.

13691982624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142624832 (or 142624824 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The spelling of 13691982624 in words is "thirteen billion, six hundred ninety-one million, nine hundred eighty-two thousand, six hundred twenty-four".