29139494692 has 24 divisors (see below), whose sum is σ = 63577080000. Its totient is φ = 11353049760.

The previous prime is 29139494663. The next prime is 29139494693. The reversal of 29139494692 is 29649493192.

It is a super-2 number, since 2×29139494692² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (29139494693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47304067 + ... + 47304682.

It is an arithmetic number, because the mean of its divisors is an integer number (2649045000).

Almost surely, 2^29139494692 is an apocalyptic number.

29139494692 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

29139494692 is an abundant number, since it is smaller than the sum of its proper divisors (34437585308).

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

29139494692 is a wasteful number, since it uses less digits than its factorization.

29139494692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94608771 (or 94608769 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 58.

The spelling of 29139494692 in words is "twenty-nine billion, one hundred thirty-nine million, four hundred ninety-four thousand, six hundred ninety-two".