465830639 has 2 divisors, whose sum is σ = 465830640. Its totient is φ = 465830638.

The previous prime is 465830633. The next prime is 465830641. The reversal of 465830639 is 936038564.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 465830639 - 2²⁸ = 197395183 is a prime.

It is a super-2 number, since 2×465830639² = 433996368462296642, which contains 22 as substring.

Together with 465830641, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 465830639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (465830633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232915319 + 232915320.

It is an arithmetic number, because the mean of its divisors is an integer number (232915320).

Almost surely, 2^465830639 is an apocalyptic number.

465830639 is a deficient number, since it is larger than the sum of its proper divisors (1).

465830639 is an equidigital number, since it uses as much as digits as its factorization.

465830639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 465830639 is about 21583.1100400290. The cubic root of 465830639 is about 775.1921210827.

The spelling of 465830639 in words is "four hundred sixty-five million, eight hundred thirty thousand, six hundred thirty-nine".