29972408815 has 16 divisors (see below), whose sum is σ = 36168264288. Its totient is φ = 23843782656.

The previous prime is 29972408771. The next prime is 29972408821. The reversal of 29972408815 is 51880427992.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29972408815 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3086047 + ... + 3095743.

It is an arithmetic number, because the mean of its divisors is an integer number (2260516518).

Almost surely, 2^29972408815 is an apocalyptic number.

29972408815 is a deficient number, since it is larger than the sum of its proper divisors (6195855473).

29972408815 is a wasteful number, since it uses less digits than its factorization.

29972408815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13098.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 29972408815 in words is "twenty-nine billion, nine hundred seventy-two million, four hundred eight thousand, eight hundred fifteen".