13029745536 has 96 divisors (see below), whose sum is σ = 38883226200. Its totient is φ = 4343238144.

The previous prime is 13029745483. The next prime is 13029745609. The reversal of 13029745536 is 63554792031.

13029745536 is a `hidden beast` number, since 1 + 3 + 0 + 2 + 97 + 4 + 553 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 13029745491 and 13029745500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178351 + ... + 240558.

Almost surely, 2^13029745536 is an apocalyptic number.

13029745536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13029745536 is an abundant number, since it is smaller than the sum of its proper divisors (25853480664).

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

13029745536 is an frugal number, since it uses more digits than its factorization.

13029745536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418938 (or 418914 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 13029745536 in words is "thirteen billion, twenty-nine million, seven hundred forty-five thousand, five hundred thirty-six".