464985289 has 2 divisors, whose sum is σ = 464985290. Its totient is φ = 464985288.

The previous prime is 464985247. The next prime is 464985307. The reversal of 464985289 is 982589464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296115264 + 168870025 = 17208^2 + 12995^2 .

It is a cyclic number.

It is not a de Polignac number, because 464985289 - 2¹¹ = 464983241 is a prime.

It is a super-2 number, since 2×464985289² = 432422637972827042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (464985229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232492644 + 232492645.

It is an arithmetic number, because the mean of its divisors is an integer number (232492645).

Almost surely, 2^464985289 is an apocalyptic number.

It is an amenable number.

464985289 is a deficient number, since it is larger than the sum of its proper divisors (1).

464985289 is an equidigital number, since it uses as much as digits as its factorization.

464985289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 55.

The square root of 464985289 is about 21563.5175470052. The cubic root of 464985289 is about 774.7229194714.

The spelling of 464985289 in words is "four hundred sixty-four million, nine hundred eighty-five thousand, two hundred eighty-nine".