13499647488 has 80 divisors (see below), whose sum is σ = 39959934960. Its totient is φ = 4499877888.

The previous prime is 13499647477. The next prime is 13499647519. The reversal of 13499647488 is 88474699431.

13499647488 is a `hidden beast` number, since 1 + 3 + 4 + 99 + 64 + 7 + 488 = 666.

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, 474445 + ... + 502092.

It is an arithmetic number, because the mean of its divisors is an integer number (499499187).

Almost surely, 2^13499647488 is an apocalyptic number.

13499647488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13499647488 is an abundant number, since it is smaller than the sum of its proper divisors (26460287472).

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

13499647488 is an frugal number, since it uses more digits than its factorization.

13499647488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976564 (or 976542 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 13499647488 in words is "thirteen billion, four hundred ninety-nine million, six hundred forty-seven thousand, four hundred eighty-eight".