304546212305813 has 2 divisors, whose sum is σ = 304546212305814. Its totient is φ = 304546212305812.

The previous prime is 304546212305809. The next prime is 304546212305857. The reversal of 304546212305813 is 318503212645403.

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., 251035568186404 + 53510644119409 = 15844102^2 + 7315097^2 .

It is a cyclic number.

It is not a de Polignac number, because 304546212305813 - 2² = 304546212305809 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304546212305873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152273106152906 + 152273106152907.

It is an arithmetic number, because the mean of its divisors is an integer number (152273106152907).

Almost surely, 2^{304546212305813} is an apocalyptic number.

It is an amenable number.

304546212305813 is a deficient number, since it is larger than the sum of its proper divisors (1).

304546212305813 is an equidigital number, since it uses as much as digits as its factorization.

304546212305813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 304546212305813 in words is "three hundred four trillion, five hundred forty-six billion, two hundred twelve million, three hundred five thousand, eight hundred thirteen".