464849509 has 4 divisors (see below), whose sum is σ = 470733760. Its totient is φ = 458965260.

The previous prime is 464849507. The next prime is 464849519. The reversal of 464849509 is 905948464.

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 464849509 - 2¹ = 464849507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464849501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2942007 + ... + 2942164.

It is an arithmetic number, because the mean of its divisors is an integer number (117683440).

Almost surely, 2^464849509 is an apocalyptic number.

It is an amenable number.

464849509 is a deficient number, since it is larger than the sum of its proper divisors (5884251).

464849509 is an equidigital number, since it uses as much as digits as its factorization.

464849509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884250.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 464849509 is about 21560.3689439675. The cubic root of 464849509 is about 774.6475033804.

The spelling of 464849509 in words is "four hundred sixty-four million, eight hundred forty-nine thousand, five hundred nine".