464497776513 has 6 divisors (see below), whose sum is σ = 670941232754. Its totient is φ = 309665184336.

The previous prime is 464497776473. The next prime is 464497776521. The reversal of 464497776513 is 315677794464.

It is a happy number.

464497776513 is a `hidden beast` number, since 4 + 6 + 4 + 49 + 7 + 7 + 76 + 513 = 666.

It can be written as a sum of positive squares in only one way, i.e., 272997890064 + 191499886449 = 522492^2 + 437607^2 .

It is not a de Polignac number, because 464497776513 - 2³⁴ = 447317907329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464497786513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25805432020 + ... + 25805432037.

Almost surely, 2^464497776513 is an apocalyptic number.

It is an amenable number.

464497776513 is a deficient number, since it is larger than the sum of its proper divisors (206443456241).

464497776513 is a wasteful number, since it uses less digits than its factorization.

464497776513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51610864063 (or 51610864060 counting only the distinct ones).

The product of its digits is 106686720, while the sum is 63.

The spelling of 464497776513 in words is "four hundred sixty-four billion, four hundred ninety-seven million, seven hundred seventy-six thousand, five hundred thirteen".