30421304447 has 2 divisors, whose sum is σ = 30421304448. Its totient is φ = 30421304446.

The previous prime is 30421304399. The next prime is 30421304477. The reversal of 30421304447 is 74440312403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30421304447 - 2⁶ = 30421304383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30421304477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210652223 + 15210652224.

It is an arithmetic number, because the mean of its divisors is an integer number (15210652224).

Almost surely, 2^30421304447 is an apocalyptic number.

30421304447 is a deficient number, since it is larger than the sum of its proper divisors (1).

30421304447 is an equidigital number, since it uses as much as digits as its factorization.

30421304447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 32.

The spelling of 30421304447 in words is "thirty billion, four hundred twenty-one million, three hundred four thousand, four hundred forty-seven".