13474949361984 has 112 divisors (see below), whose sum is σ = 43215115439040. Its totient is φ = 4083317982720.

The previous prime is 13474949361971. The next prime is 13474949362003. The reversal of 13474949361984 is 48916394947431.

13474949361984 is a `hidden beast` number, since 1 + 3 + 4 + 7 + 49 + 493 + 6 + 1 + 98 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354435679 + ... + 354473694.

Almost surely, 2^{13474949361984} is an apocalyptic number.

It is an amenable number.

13474949361984 is an abundant number, since it is smaller than the sum of its proper divisors (29740166077056).

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

13474949361984 is a wasteful number, since it uses less digits than its factorization.

13474949361984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708909405 (or 708909389 counting only the distinct ones).

The product of its digits is 564350976, while the sum is 72.

The spelling of 13474949361984 in words is "thirteen trillion, four hundred seventy-four billion, nine hundred forty-nine million, three hundred sixty-one thousand, nine hundred eighty-four".