464609691 has 48 divisors (see below), whose sum is σ = 838399744. Its totient is φ = 241382592.

The previous prime is 464609687. The next prime is 464609693. The reversal of 464609691 is 196906464.

It is not a de Polignac number, because 464609691 - 2² = 464609687 is a prime.

It is a super-2 number, since 2×464609691² = 431724329942230962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (464609693) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50640 + ... + 59106.

Almost surely, 2^464609691 is an apocalyptic number.

464609691 is a deficient number, since it is larger than the sum of its proper divisors (373790053).

464609691 is a wasteful number, since it uses less digits than its factorization.

464609691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8560 (or 8557 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 464609691 is about 21554.8066797176. The cubic root of 464609691 is about 774.5142657283.

The spelling of 464609691 in words is "four hundred sixty-four million, six hundred nine thousand, six hundred ninety-one".