30420411449 has 2 divisors, whose sum is σ = 30420411450. Its totient is φ = 30420411448.

The previous prime is 30420411419. The next prime is 30420411457. The reversal of 30420411449 is 94411402403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27674651449 + 2745760000 = 166357^2 + 52400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30420411449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30420411419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210205724 + 15210205725.

It is an arithmetic number, because the mean of its divisors is an integer number (15210205725).

Almost surely, 2^30420411449 is an apocalyptic number.

It is an amenable number.

30420411449 is a deficient number, since it is larger than the sum of its proper divisors (1).

30420411449 is an equidigital number, since it uses as much as digits as its factorization.

30420411449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 30420411449 in words is "thirty billion, four hundred twenty million, four hundred eleven thousand, four hundred forty-nine".