464498618657 has 2 divisors, whose sum is σ = 464498618658. Its totient is φ = 464498618656.

The previous prime is 464498618627. The next prime is 464498618713. The reversal of 464498618657 is 756816894464.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 429852008161 + 34646610496 = 655631^2 + 186136^2 .

It is a cyclic number.

It is not a de Polignac number, because 464498618657 - 2¹⁴ = 464498602273 is a prime.

It is a super-2 number, since 2×464498618657² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (464498618627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232249309328 + 232249309329.

It is an arithmetic number, because the mean of its divisors is an integer number (232249309329).

Almost surely, 2^464498618657 is an apocalyptic number.

It is an amenable number.

464498618657 is a deficient number, since it is larger than the sum of its proper divisors (1).

464498618657 is an equidigital number, since it uses as much as digits as its factorization.

464498618657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 278691840, while the sum is 68.

The spelling of 464498618657 in words is "four hundred sixty-four billion, four hundred ninety-eight million, six hundred eighteen thousand, six hundred fifty-seven".