13631968440848 has 40 divisors (see below), whose sum is σ = 26580890272920. Its totient is φ = 6772386216960.

The previous prime is 13631968440833. The next prime is 13631968440877. The reversal of 13631968440848 is 84804486913631.

It can be written as a sum of positive squares in 4 ways, for example, as 24221319424 + 13607747121424 = 155632^2 + 3688868^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176155508 + ... + 176232876.

It is an arithmetic number, because the mean of its divisors is an integer number (664522256823).

Almost surely, 2^{13631968440848} is an apocalyptic number.

It is an amenable number.

13631968440848 is a deficient number, since it is larger than the sum of its proper divisors (12948921832072).

13631968440848 is a wasteful number, since it uses less digits than its factorization.

13631968440848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147675 (or 147669 counting only the distinct ones).

The product of its (nonzero) digits is 95551488, while the sum is 65.

The spelling of 13631968440848 in words is "thirteen trillion, six hundred thirty-one billion, nine hundred sixty-eight million, four hundred forty thousand, eight hundred forty-eight".