464763916609 has 4 divisors (see below), whose sum is σ = 464785744516. Its totient is φ = 464742088704.

The previous prime is 464763916601. The next prime is 464763916619. The reversal of 464763916609 is 906619367464.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71634916609 + 393129000000 = 267647^2 + 627000^2 .

It is a cyclic number.

It is not a de Polignac number, because 464763916609 - 2³ = 464763916601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464763916601) 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, 10881984 + ... + 10924609.

It is an arithmetic number, because the mean of its divisors is an integer number (116196436129).

Almost surely, 2^464763916609 is an apocalyptic number.

It is an amenable number.

464763916609 is a deficient number, since it is larger than the sum of its proper divisors (21827907).

464763916609 is a wasteful number, since it uses less digits than its factorization.

464763916609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21827906.

The product of its (nonzero) digits is 35271936, while the sum is 61.

The spelling of 464763916609 in words is "four hundred sixty-four billion, seven hundred sixty-three million, nine hundred sixteen thousand, six hundred nine".