465919913 has 2 divisors, whose sum is σ = 465919914. Its totient is φ = 465919912.

The previous prime is 465919907. The next prime is 465919981. The reversal of 465919913 is 319919564.

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., 356152384 + 109767529 = 18872^2 + 10477^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-465919913 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (465919213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232959956 + 232959957.

It is an arithmetic number, because the mean of its divisors is an integer number (232959957).

Almost surely, 2^465919913 is an apocalyptic number.

It is an amenable number.

465919913 is a deficient number, since it is larger than the sum of its proper divisors (1).

465919913 is an equidigital number, since it uses as much as digits as its factorization.

465919913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 262440, while the sum is 47.

The square root of 465919913 is about 21585.1780858996. The cubic root of 465919913 is about 775.2416384217.

The spelling of 465919913 in words is "four hundred sixty-five million, nine hundred nineteen thousand, nine hundred thirteen".