29679511388 has 12 divisors (see below), whose sum is σ = 52443409200. Its totient is φ = 14695680192.

The previous prime is 29679511373. The next prime is 29679511391. The reversal of 29679511388 is 88311597692.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36018413 + ... + 36019236.

It is an arithmetic number, because the mean of its divisors is an integer number (4370284100).

Almost surely, 2^29679511388 is an apocalyptic number.

It is an amenable number.

29679511388 is a deficient number, since it is larger than the sum of its proper divisors (22763897812).

29679511388 is a wasteful number, since it uses less digits than its factorization.

29679511388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72037756 (or 72037754 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 59.

The spelling of 29679511388 in words is "twenty-nine billion, six hundred seventy-nine million, five hundred eleven thousand, three hundred eighty-eight".