29490779137 has 8 divisors (see below), whose sum is σ = 29549518400. Its totient is φ = 29432089584.

The previous prime is 29490779119. The next prime is 29490779159. The reversal of 29490779137 is 73197709492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29490779137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29490776137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1312564 + ... + 1334842.

It is an arithmetic number, because the mean of its divisors is an integer number (3693689800).

Almost surely, 2^29490779137 is an apocalyptic number.

It is an amenable number.

29490779137 is a deficient number, since it is larger than the sum of its proper divisors (58739263).

29490779137 is a wasteful number, since it uses less digits than its factorization.

29490779137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24855.

The product of its (nonzero) digits is 6001128, while the sum is 58.

The spelling of 29490779137 in words is "twenty-nine billion, four hundred ninety million, seven hundred seventy-nine thousand, one hundred thirty-seven".