13399641528 has 96 divisors (see below), whose sum is σ = 41965958160. Its totient is φ = 3533967360.

The previous prime is 13399641523. The next prime is 13399641547. The reversal of 13399641528 is 82514699331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13399641523) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 422953 + ... + 453528.

Almost surely, 2^13399641528 is an apocalyptic number.

It is an amenable number.

13399641528 is an abundant number, since it is smaller than the sum of its proper divisors (28566316632).

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

13399641528 is a wasteful number, since it uses less digits than its factorization.

13399641528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876517 (or 876506 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 51.

The spelling of 13399641528 in words is "thirteen billion, three hundred ninety-nine million, six hundred forty-one thousand, five hundred twenty-eight".