464545489 has 2 divisors, whose sum is σ = 464545490. Its totient is φ = 464545488.

The previous prime is 464545463. The next prime is 464545511. The reversal of 464545489 is 984545464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 411765264 + 52780225 = 20292^2 + 7265^2 .

It is a cyclic number.

It is not a de Polignac number, because 464545489 - 2²³ = 456156881 is a prime.

It is a super-2 number, since 2×464545489² = 431605022700498242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (464545429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232272744 + 232272745.

It is an arithmetic number, because the mean of its divisors is an integer number (232272745).

Almost surely, 2^464545489 is an apocalyptic number.

It is an amenable number.

464545489 is a deficient number, since it is larger than the sum of its proper divisors (1).

464545489 is an equidigital number, since it uses as much as digits as its factorization.

464545489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2764800, while the sum is 49.

The square root of 464545489 is about 21553.3173548760. The cubic root of 464545489 is about 774.4785887171.

The spelling of 464545489 in words is "four hundred sixty-four million, five hundred forty-five thousand, four hundred eighty-nine".