29920498425 has 72 divisors (see below), whose sum is σ = 58356979200. Its totient is φ = 14596364160.

The previous prime is 29920498397. The next prime is 29920498453. The reversal of 29920498425 is 52489402992.

It is a happy number.

29920498425 is a `hidden beast` number, since 2 + 9 + 9 + 204 + 9 + 8 + 425 = 666.

It is an interprime number because it is at equal distance from previous prime (29920498397) and next prime (29920498453).

It is not a de Polignac number, because 29920498425 - 2¹¹ = 29920496377 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3304 + ... + 244646.

It is an arithmetic number, because the mean of its divisors is an integer number (810513600).

Almost surely, 2^29920498425 is an apocalyptic number.

29920498425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29920498425 is a deficient number, since it is larger than the sum of its proper divisors (28436480775).

29920498425 is a wasteful number, since it uses less digits than its factorization.

29920498425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241407 (or 241399 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 29920498425 in words is "twenty-nine billion, nine hundred twenty million, four hundred ninety-eight thousand, four hundred twenty-five".