29613200421 has 48 divisors (see below), whose sum is σ = 47580462720. Its totient is φ = 16323310080.

The previous prime is 29613200413. The next prime is 29613200423. The reversal of 29613200421 is 12400231692.

It is not a de Polignac number, because 29613200421 - 2³ = 29613200413 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29613200423) 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, 508800 + ... + 564006.

It is an arithmetic number, because the mean of its divisors is an integer number (991259640).

Almost surely, 2^29613200421 is an apocalyptic number.

29613200421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

29613200421 is a deficient number, since it is larger than the sum of its proper divisors (17967262299).

29613200421 is a wasteful number, since it uses less digits than its factorization.

29613200421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55354 (or 55347 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 29613200421 in words is "twenty-nine billion, six hundred thirteen million, two hundred thousand, four hundred twenty-one".