465463364581 has 2 divisors, whose sum is σ = 465463364582. Its totient is φ = 465463364580.

The previous prime is 465463364557. The next prime is 465463364591. The reversal of 465463364581 is 185463364564.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 463671112356 + 1792252225 = 680934^2 + 42335^2 .

It is a cyclic number.

It is not a de Polignac number, because 465463364581 - 2¹⁷ = 465463233509 is a prime.

It is a super-2 number, since 2×465463364581² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (465463364591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232731682290 + 232731682291.

It is an arithmetic number, because the mean of its divisors is an integer number (232731682291).

Almost surely, 2^465463364581 is an apocalyptic number.

It is an amenable number.

465463364581 is a deficient number, since it is larger than the sum of its proper divisors (1).

465463364581 is an equidigital number, since it uses as much as digits as its factorization.

465463364581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24883200, while the sum is 55.

The spelling of 465463364581 in words is "four hundred sixty-five billion, four hundred sixty-three million, three hundred sixty-four thousand, five hundred eighty-one".