29117632972 has 6 divisors (see below), whose sum is σ = 50955857708. Its totient is φ = 14558816484.

The previous prime is 29117632967. The next prime is 29117632993. The reversal of 29117632972 is 27923671192.

It is a happy number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3639704118 + ... + 3639704125.

Almost surely, 2^29117632972 is an apocalyptic number.

It is an amenable number.

29117632972 is a deficient number, since it is larger than the sum of its proper divisors (21838224736).

29117632972 is a wasteful number, since it uses less digits than its factorization.

29117632972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7279408247 (or 7279408245 counting only the distinct ones).

The product of its digits is 571536, while the sum is 49.

The spelling of 29117632972 in words is "twenty-nine billion, one hundred seventeen million, six hundred thirty-two thousand, nine hundred seventy-two".