29926245321 has 48 divisors (see below), whose sum is σ = 50201633664. Its totient is φ = 16825992192.

The previous prime is 29926245247. The next prime is 29926245353. The reversal of 29926245321 is 12354262992.

29926245321 is a `hidden beast` number, since 2 + 9 + 92 + 6 + 24 + 532 + 1 = 666.

It is not a de Polignac number, because 29926245321 - 2²² = 29922051017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29926245121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1043050 + ... + 1071356.

It is an arithmetic number, because the mean of its divisors is an integer number (1045867368).

Almost surely, 2^29926245321 is an apocalyptic number.

29926245321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

29926245321 is a deficient number, since it is larger than the sum of its proper divisors (20275388343).

29926245321 is a wasteful number, since it uses less digits than its factorization.

29926245321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28590 (or 28587 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The spelling of 29926245321 in words is "twenty-nine billion, nine hundred twenty-six million, two hundred forty-five thousand, three hundred twenty-one".