29689179157 has 12 divisors (see below), whose sum is σ = 32680879168. Its totient is φ = 26951027400.

The previous prime is 29689179133. The next prime is 29689179197. The reversal of 29689179157 is 75197198692.

It is not a de Polignac number, because 29689179157 - 2⁷ = 29689179029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29689179127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93933 + ... + 261154.

Almost surely, 2^29689179157 is an apocalyptic number.

It is an amenable number.

29689179157 is a deficient number, since it is larger than the sum of its proper divisors (2991700011).

29689179157 is a wasteful number, since it uses less digits than its factorization.

29689179157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355800 (or 355789 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 64.

The spelling of 29689179157 in words is "twenty-nine billion, six hundred eighty-nine million, one hundred seventy-nine thousand, one hundred fifty-seven".