29971017992 has 32 divisors (see below), whose sum is σ = 58047840000. Its totient is φ = 14492251200.

The previous prime is 29971017977. The next prime is 29971018027.

29971017992 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331442 + ... + 412062.

It is an arithmetic number, because the mean of its divisors is an integer number (1813995000).

Almost surely, 2^29971017992 is an apocalyptic number.

It is an amenable number.

29971017992 is a deficient number, since it is larger than the sum of its proper divisors (28076822008).

29971017992 is a wasteful number, since it uses less digits than its factorization.

29971017992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82157 (or 82153 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 56.

The spelling of 29971017992 in words is "twenty-nine billion, nine hundred seventy-one million, seventeen thousand, nine hundred ninety-two".