465742609 has 2 divisors, whose sum is σ = 465742610. Its totient is φ = 465742608.

The previous prime is 465742601. The next prime is 465742679. The reversal of 465742609 is 906247564.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 405136384 + 60606225 = 20128^2 + 7785^2 .

It is a cyclic number.

It is not a de Polignac number, because 465742609 - 2³ = 465742601 is a prime.

It is not a weakly prime, because it can be changed into another prime (465742601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232871304 + 232871305.

It is an arithmetic number, because the mean of its divisors is an integer number (232871305).

Almost surely, 2^465742609 is an apocalyptic number.

It is an amenable number.

465742609 is a deficient number, since it is larger than the sum of its proper divisors (1).

465742609 is an equidigital number, since it uses as much as digits as its factorization.

465742609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 465742609 is about 21581.0706175574. The cubic root of 465742609 is about 775.1432875542.

The spelling of 465742609 in words is "four hundred sixty-five million, seven hundred forty-two thousand, six hundred nine".