465899689 has 2 divisors, whose sum is σ = 465899690. Its totient is φ = 465899688.

The previous prime is 465899659. The next prime is 465899701. The reversal of 465899689 is 986998564.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 404010000 + 61889689 = 20100^2 + 7867^2 .

It is a cyclic number.

It is not a de Polignac number, because 465899689 - 2¹⁹ = 465375401 is a prime.

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 465899689.

It is not a weakly prime, because it can be changed into another prime (465899659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232949844 + 232949845.

It is an arithmetic number, because the mean of its divisors is an integer number (232949845).

Almost surely, 2^465899689 is an apocalyptic number.

It is an amenable number.

465899689 is a deficient number, since it is larger than the sum of its proper divisors (1).

465899689 is an equidigital number, since it uses as much as digits as its factorization.

465899689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33592320, while the sum is 64.

The square root of 465899689 is about 21584.7096112039. The cubic root of 465899689 is about 775.2304213911.

The spelling of 465899689 in words is "four hundred sixty-five million, eight hundred ninety-nine thousand, six hundred eighty-nine".