13953537864 has 48 divisors (see below), whose sum is σ = 43189523520. Its totient is φ = 3986724960.

The previous prime is 13953537841. The next prime is 13953537887. The reversal of 13953537864 is 46873535931.

13953537864 is a `hidden beast` number, since 1 + 39 + 535 + 3 + 78 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (13953537841) and next prime (13953537887).

It is a self number, because there is not a number n which added to its sum of digits gives 13953537864.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13842292 + ... + 13843299.

It is an arithmetic number, because the mean of its divisors is an integer number (899781740).

Almost surely, 2^13953537864 is an apocalyptic number.

13953537864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13953537864 is an abundant number, since it is smaller than the sum of its proper divisors (29235985656).

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

13953537864 is a wasteful number, since it uses less digits than its factorization.

13953537864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27685610 (or 27685603 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The spelling of 13953537864 in words is "thirteen billion, nine hundred fifty-three million, five hundred thirty-seven thousand, eight hundred sixty-four".