30421424057 has 2 divisors, whose sum is σ = 30421424058. Its totient is φ = 30421424056.

The previous prime is 30421424051. The next prime is 30421424069. The reversal of 30421424057 is 75042412403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29468528896 + 952895161 = 171664^2 + 30869^2 .

It is a cyclic number.

It is not a de Polignac number, because 30421424057 - 2¹⁶ = 30421358521 is a prime.

It is not a weakly prime, because it can be changed into another prime (30421424051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210712028 + 15210712029.

It is an arithmetic number, because the mean of its divisors is an integer number (15210712029).

Almost surely, 2^30421424057 is an apocalyptic number.

It is an amenable number.

30421424057 is a deficient number, since it is larger than the sum of its proper divisors (1).

30421424057 is an equidigital number, since it uses as much as digits as its factorization.

30421424057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 32.

The spelling of 30421424057 in words is "thirty billion, four hundred twenty-one million, four hundred twenty-four thousand, fifty-seven".