464368621 has 2 divisors, whose sum is σ = 464368622. Its totient is φ = 464368620.

The previous prime is 464368603. The next prime is 464368627. The reversal of 464368621 is 126863464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317231721 + 147136900 = 17811^2 + 12130^2 .

It is a cyclic number.

It is not a de Polignac number, because 464368621 - 2¹⁷ = 464237549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464368627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232184310 + 232184311.

It is an arithmetic number, because the mean of its divisors is an integer number (232184311).

Almost surely, 2^464368621 is an apocalyptic number.

It is an amenable number.

464368621 is a deficient number, since it is larger than the sum of its proper divisors (1).

464368621 is an equidigital number, since it uses as much as digits as its factorization.

464368621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 40.

The square root of 464368621 is about 21549.2139299790. The cubic root of 464368621 is about 774.3802862758.

The spelling of 464368621 in words is "four hundred sixty-four million, three hundred sixty-eight thousand, six hundred twenty-one".