29397137913 has 144 divisors (see below), whose sum is σ = 52912379520. Its totient is φ = 15592389120.

The previous prime is 29397137899. The next prime is 29397137941. The reversal of 29397137913 is 31973179392.

It is not a de Polignac number, because 29397137913 - 2⁵ = 29397137881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29397137913.

It is not an unprimeable number, because it can be changed into a prime (29397137113) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 44608378 + ... + 44609036.

It is an arithmetic number, because the mean of its divisors is an integer number (367447080).

Almost surely, 2^29397137913 is an apocalyptic number.

29397137913 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

29397137913 is a deficient number, since it is larger than the sum of its proper divisors (23515241607).

29397137913 is a wasteful number, since it uses less digits than its factorization.

29397137913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 846 counting only the distinct ones).

The product of its digits is 1928934, while the sum is 54.

The spelling of 29397137913 in words is "twenty-nine billion, three hundred ninety-seven million, one hundred thirty-seven thousand, nine hundred thirteen".