30425555421 has 24 divisors (see below), whose sum is σ = 46545442944. Its totient is φ = 19852128000.

The previous prime is 30425555411. The next prime is 30425555441. The reversal of 30425555421 is 12455552403.

30425555421 is a `hidden beast` number, since 30 + 4 + 2 + 55 + 554 + 21 = 666.

It is not a de Polignac number, because 30425555421 - 2¹⁷ = 30425424349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30425555411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1320580 + ... + 1343421.

It is an arithmetic number, because the mean of its divisors is an integer number (1939393456).

Almost surely, 2^30425555421 is an apocalyptic number.

It is an amenable number.

30425555421 is a deficient number, since it is larger than the sum of its proper divisors (16119887523).

30425555421 is an equidigital number, since it uses as much as digits as its factorization.

30425555421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664063 (or 2664051 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 30425555421 in words is "thirty billion, four hundred twenty-five million, five hundred fifty-five thousand, four hundred twenty-one".