460775989 has 2 divisors, whose sum is σ = 460775990. Its totient is φ = 460775988.

The previous prime is 460775977. The next prime is 460776031. The reversal of 460775989 is 989577064.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 392713489 + 68062500 = 19817^2 + 8250^2 .

It is a cyclic number.

It is not a de Polignac number, because 460775989 - 2¹⁵ = 460743221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (460775929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230387994 + 230387995.

It is an arithmetic number, because the mean of its divisors is an integer number (230387995).

Almost surely, 2^460775989 is an apocalyptic number.

It is an amenable number.

460775989 is a deficient number, since it is larger than the sum of its proper divisors (1).

460775989 is an equidigital number, since it uses as much as digits as its factorization.

460775989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The square root of 460775989 is about 21465.6933035018. The cubic root of 460775989 is about 772.3780917306.

The spelling of 460775989 in words is "four hundred sixty million, seven hundred seventy-five thousand, nine hundred eighty-nine".