30420411457 has 2 divisors, whose sum is σ = 30420411458. Its totient is φ = 30420411456.

The previous prime is 30420411449. The next prime is 30420411487. The reversal of 30420411457 is 75411402403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20783258896 + 9637152561 = 144164^2 + 98169^2 .

It is an emirp because it is prime and its reverse (75411402403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30420411457 - 2³ = 30420411449 is a prime.

It is not a weakly prime, because it can be changed into another prime (30420411407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210205728 + 15210205729.

It is an arithmetic number, because the mean of its divisors is an integer number (15210205729).

Almost surely, 2^30420411457 is an apocalyptic number.

It is an amenable number.

30420411457 is a deficient number, since it is larger than the sum of its proper divisors (1).

30420411457 is an equidigital number, since it uses as much as digits as its factorization.

30420411457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 30420411457 in words is "thirty billion, four hundred twenty million, four hundred eleven thousand, four hundred fifty-seven".