464529509 has 2 divisors, whose sum is σ = 464529510. Its totient is φ = 464529508.

The previous prime is 464529497. The next prime is 464529517. The reversal of 464529509 is 905925464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 440076484 + 24453025 = 20978^2 + 4945^2 .

It is a cyclic number.

It is not a de Polignac number, because 464529509 - 2⁴ = 464529493 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 464529509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464529409) 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, 232264754 + 232264755.

It is an arithmetic number, because the mean of its divisors is an integer number (232264755).

Almost surely, 2^464529509 is an apocalyptic number.

It is an amenable number.

464529509 is a deficient number, since it is larger than the sum of its proper divisors (1).

464529509 is an equidigital number, since it uses as much as digits as its factorization.

464529509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 464529509 is about 21552.9466430927. The cubic root of 464529509 is about 774.4697081302.

The spelling of 464529509 in words is "four hundred sixty-four million, five hundred twenty-nine thousand, five hundred nine".