13740779664 has 60 divisors (see below), whose sum is σ = 38597108992. Its totient is φ = 4563345600.

The previous prime is 13740779639. The next prime is 13740779671. The reversal of 13740779664 is 46697704731.

It is a self number, because there is not a number n which added to its sum of digits gives 13740779664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137032 + ... + 215079.

Almost surely, 2^13740779664 is an apocalyptic number.

It is an amenable number.

13740779664 is an abundant number, since it is smaller than the sum of its proper divisors (24856329328).

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

13740779664 is a wasteful number, since it uses less digits than its factorization.

13740779664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352396 (or 352387 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The spelling of 13740779664 in words is "thirteen billion, seven hundred forty million, seven hundred seventy-nine thousand, six hundred sixty-four".