464577909 has 4 divisors (see below), whose sum is σ = 619437216. Its totient is φ = 309718604.

The previous prime is 464577899. The next prime is 464577931. The reversal of 464577909 is 909775464.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 464577909 - 2²⁰ = 463529333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464577959) 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 in 3 ways as a sum of consecutive naturals, for example, 77429649 + ... + 77429654.

It is an arithmetic number, because the mean of its divisors is an integer number (154859304).

Almost surely, 2^464577909 is an apocalyptic number.

It is an amenable number.

464577909 is a deficient number, since it is larger than the sum of its proper divisors (154859307).

464577909 is a wasteful number, since it uses less digits than its factorization.

464577909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154859306.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The square root of 464577909 is about 21554.0694301563. The cubic root of 464577909 is about 774.4966049016.

The spelling of 464577909 in words is "four hundred sixty-four million, five hundred seventy-seven thousand, nine hundred nine".