13119448664 has 32 divisors (see below), whose sum is σ = 28386059520. Its totient is φ = 5568029856.

The previous prime is 13119448637. The next prime is 13119448679. The reversal of 13119448664 is 46684491131.

It is a congruent number.

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, 1131494 + ... + 1143029.

It is an arithmetic number, because the mean of its divisors is an integer number (887064360).

Almost surely, 2^13119448664 is an apocalyptic number.

13119448664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13119448664 is an abundant number, since it is smaller than the sum of its proper divisors (15266610856).

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

13119448664 is a wasteful number, since it uses less digits than its factorization.

13119448664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274639 (or 2274635 counting only the distinct ones).

The product of its digits is 497664, while the sum is 47.

The spelling of 13119448664 in words is "thirteen billion, one hundred nineteen million, four hundred forty-eight thousand, six hundred sixty-four".