465204111630421 has 2 divisors, whose sum is σ = 465204111630422. Its totient is φ = 465204111630420.

The previous prime is 465204111630397. The next prime is 465204111630457. The reversal of 465204111630421 is 124036111402564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376503767727025 + 88700343903396 = 19403705^2 + 9418086^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-465204111630421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (465204111630721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232602055815210 + 232602055815211.

It is an arithmetic number, because the mean of its divisors is an integer number (232602055815211).

Almost surely, 2^{465204111630421} is an apocalyptic number.

It is an amenable number.

465204111630421 is a deficient number, since it is larger than the sum of its proper divisors (1).

465204111630421 is an equidigital number, since it uses as much as digits as its factorization.

465204111630421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 465204111630421 in words is "four hundred sixty-five trillion, two hundred four billion, one hundred eleven million, six hundred thirty thousand, four hundred twenty-one".