13149471680 has 56 divisors (see below), whose sum is σ = 32673596832. Its totient is φ = 5031099392.

The previous prime is 13149471679. The next prime is 13149471691. The reversal of 13149471680 is 8617494131.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885947 + ... + 900666.

Almost surely, 2^13149471680 is an apocalyptic number.

13149471680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13149471680 is an abundant number, since it is smaller than the sum of its proper divisors (19524125152).

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

13149471680 is a wasteful number, since it uses less digits than its factorization.

13149471680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786653 (or 1786643 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 13149471680 in words is "thirteen billion, one hundred forty-nine million, four hundred seventy-one thousand, six hundred eighty".