460646609 has 2 divisors, whose sum is σ = 460646610. Its totient is φ = 460646608.

The previous prime is 460646587. The next prime is 460646687. The reversal of 460646609 is 906646064.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323100625 + 137545984 = 17975^2 + 11728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-460646609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (460646009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230323304 + 230323305.

It is an arithmetic number, because the mean of its divisors is an integer number (230323305).

Almost surely, 2^460646609 is an apocalyptic number.

It is an amenable number.

460646609 is a deficient number, since it is larger than the sum of its proper divisors (1).

460646609 is an equidigital number, since it uses as much as digits as its factorization.

460646609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 460646609 is about 21462.6794459592. The cubic root of 460646609 is about 772.3057936694.

It can be divided in two parts, 4606 and 46609, that added together give a palindrome (51215).

The spelling of 460646609 in words is "four hundred sixty million, six hundred forty-six thousand, six hundred nine".