29137190805 has 24 divisors (see below), whose sum is σ = 52375001952. Its totient is φ = 15539834448.

The previous prime is 29137190759. The next prime is 29137190807. The reversal of 29137190805 is 50809173192.

It is not a de Polignac number, because 29137190805 - 2⁸ = 29137190549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29137190807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11989399 + ... + 11991828.

It is an arithmetic number, because the mean of its divisors is an integer number (2182291748).

Almost surely, 2^29137190805 is an apocalyptic number.

It is an amenable number.

29137190805 is a deficient number, since it is larger than the sum of its proper divisors (23237811147).

29137190805 is an equidigital number, since it uses as much as digits as its factorization.

29137190805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23981247 (or 23981235 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 29137190805 in words is "twenty-nine billion, one hundred thirty-seven million, one hundred ninety thousand, eight hundred five".