29491368772 has 12 divisors (see below), whose sum is σ = 52484639760. Its totient is φ = 14495757416.

The previous prime is 29491368737. The next prime is 29491368773. The reversal of 29491368772 is 27786319492.

It is not an unprimeable number, because it can be changed into a prime (29491368773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62481478 + ... + 62481949.

It is an arithmetic number, because the mean of its divisors is an integer number (4373719980).

Almost surely, 2^29491368772 is an apocalyptic number.

It is an amenable number.

29491368772 is a deficient number, since it is larger than the sum of its proper divisors (22993270988).

29491368772 is a wasteful number, since it uses less digits than its factorization.

29491368772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124963490 (or 124963488 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 58.

The spelling of 29491368772 in words is "twenty-nine billion, four hundred ninety-one million, three hundred sixty-eight thousand, seven hundred seventy-two".