304504302324421 has 2 divisors, whose sum is σ = 304504302324422. Its totient is φ = 304504302324420.

The previous prime is 304504302324403. The next prime is 304504302324449. The reversal of 304504302324421 is 124423203405403.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245851894512225 + 58652407812196 = 15679665^2 + 7658486^2 .

It is a cyclic number.

It is not a de Polignac number, because 304504302324421 - 2²⁹ = 304503765453509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304504302324461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152252151162210 + 152252151162211.

It is an arithmetic number, because the mean of its divisors is an integer number (152252151162211).

Almost surely, 2^{304504302324421} is an apocalyptic number.

It is an amenable number.

304504302324421 is a deficient number, since it is larger than the sum of its proper divisors (1).

304504302324421 is an equidigital number, since it uses as much as digits as its factorization.

304504302324421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 304504302324421 its reverse (124423203405403), we get a palindrome (428927505729824).

The spelling of 304504302324421 in words is "three hundred four trillion, five hundred four billion, three hundred two million, three hundred twenty-four thousand, four hundred twenty-one".