29689860475 has 12 divisors (see below), whose sum is σ = 40162284360. Its totient is φ = 21592625600.

The previous prime is 29689860449. The next prime is 29689860481. The reversal of 29689860475 is 57406898692.

It is a de Polignac number, because none of the positive numbers 2^k-29689860475 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53981290 + ... + 53981839.

It is an arithmetic number, because the mean of its divisors is an integer number (3346857030).

Almost surely, 2^29689860475 is an apocalyptic number.

29689860475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29689860475 is a deficient number, since it is larger than the sum of its proper divisors (10472423885).

29689860475 is a wasteful number, since it uses less digits than its factorization.

29689860475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107963150 (or 107963145 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 29689860475 in words is "twenty-nine billion, six hundred eighty-nine million, eight hundred sixty thousand, four hundred seventy-five".