29957244892 has 24 divisors (see below), whose sum is σ = 55627934544. Its totient is φ = 14067324672.

The previous prime is 29957244871. The next prime is 29957244893. The reversal of 29957244892 is 29844275992.

It is a self number, because there is not a number n which added to its sum of digits gives 29957244892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29957244893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439923 + ... + 503434.

It is an arithmetic number, because the mean of its divisors is an integer number (2317830606).

Almost surely, 2^29957244892 is an apocalyptic number.

It is an amenable number.

29957244892 is a deficient number, since it is larger than the sum of its proper divisors (25670689652).

29957244892 is a wasteful number, since it uses less digits than its factorization.

29957244892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943845 (or 943843 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 61.

The spelling of 29957244892 in words is "twenty-nine billion, nine hundred fifty-seven million, two hundred forty-four thousand, eight hundred ninety-two".