29681135368 has 32 divisors (see below), whose sum is σ = 56034144000. Its totient is φ = 14738996160.

The previous prime is 29681135359. The next prime is 29681135377. The reversal of 29681135368 is 86353118692.

It is an interprime number because it is at equal distance from previous prime (29681135359) and next prime (29681135377).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790198 + ... + 826906.

It is an arithmetic number, because the mean of its divisors is an integer number (1751067000).

Almost surely, 2^29681135368 is an apocalyptic number.

It is an amenable number.

29681135368 is a deficient number, since it is larger than the sum of its proper divisors (26353008632).

29681135368 is a wasteful number, since it uses less digits than its factorization.

29681135368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37405 (or 37401 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 52.

The spelling of 29681135368 in words is "twenty-nine billion, six hundred eighty-one million, one hundred thirty-five thousand, three hundred sixty-eight".