30430838774621 has 16 divisors (see below), whose sum is σ = 30535395194304. Its totient is φ = 30326467027584.

The previous prime is 30430838774593. The next prime is 30430838774683. The reversal of 30430838774621 is 12647783803403.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30430838774621 - 2¹⁰ = 30430838773597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30430838774521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3494981150 + ... + 3494989856.

It is an arithmetic number, because the mean of its divisors is an integer number (1908462199644).

Almost surely, 2^{30430838774621} is an apocalyptic number.

It is an amenable number.

30430838774621 is a deficient number, since it is larger than the sum of its proper divisors (104556419683).

30430838774621 is an equidigital number, since it uses as much as digits as its factorization.

30430838774621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17980.

The product of its (nonzero) digits is 16257024, while the sum is 56.

The spelling of 30430838774621 in words is "thirty trillion, four hundred thirty billion, eight hundred thirty-eight million, seven hundred seventy-four thousand, six hundred twenty-one".