29817147368 has 16 divisors (see below), whose sum is σ = 55909897380. Its totient is φ = 14907841408.

The previous prime is 29817147359. The next prime is 29817147379. The reversal of 29817147368 is 86374171892.

It can be written as a sum of positive squares in 2 ways, for example, as 23024420644 + 6792726724 = 151738^2 + 82418^2 .

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, 106796 + ... + 266532.

Almost surely, 2^29817147368 is an apocalyptic number.

It is an amenable number.

29817147368 is a deficient number, since it is larger than the sum of its proper divisors (26092750012).

29817147368 is a wasteful number, since it uses less digits than its factorization.

29817147368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183076 (or 183072 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 56.

The spelling of 29817147368 in words is "twenty-nine billion, eight hundred seventeen million, one hundred forty-seven thousand, three hundred sixty-eight".