29431747472 has 20 divisors (see below), whose sum is σ = 57026670000. Its totient is φ = 14715187488.

The previous prime is 29431747357. The next prime is 29431747483. The reversal of 29431747472 is 27474713492.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 29431747472.

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, 658343 + ... + 701625.

It is an arithmetic number, because the mean of its divisors is an integer number (2851333500).

Almost surely, 2^29431747472 is an apocalyptic number.

It is an amenable number.

29431747472 is a deficient number, since it is larger than the sum of its proper divisors (27594922528).

29431747472 is a wasteful number, since it uses less digits than its factorization.

29431747472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85790 (or 85784 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 50.

The spelling of 29431747472 in words is "twenty-nine billion, four hundred thirty-one million, seven hundred forty-seven thousand, four hundred seventy-two".