464155999 has 2 divisors, whose sum is σ = 464156000. Its totient is φ = 464155998.

The previous prime is 464155987. The next prime is 464156027. The reversal of 464155999 is 999551464.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 464155999 - 2⁷ = 464155871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464155919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232077999 + 232078000.

It is an arithmetic number, because the mean of its divisors is an integer number (232078000).

Almost surely, 2^464155999 is an apocalyptic number.

464155999 is a deficient number, since it is larger than the sum of its proper divisors (1).

464155999 is an equidigital number, since it uses as much as digits as its factorization.

464155999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1749600, while the sum is 52.

The square root of 464155999 is about 21544.2799601193. The cubic root of 464155999 is about 774.2620788763.

The spelling of 464155999 in words is "four hundred sixty-four million, one hundred fifty-five thousand, nine hundred ninety-nine".