464032489 has 2 divisors, whose sum is σ = 464032490. Its totient is φ = 464032488.

The previous prime is 464032469. The next prime is 464032501. The reversal of 464032489 is 984230464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343472089 + 120560400 = 18533^2 + 10980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-464032489 is a prime.

It is not a weakly prime, because it can be changed into another prime (464032469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232016244 + 232016245.

It is an arithmetic number, because the mean of its divisors is an integer number (232016245).

Almost surely, 2^464032489 is an apocalyptic number.

It is an amenable number.

464032489 is a deficient number, since it is larger than the sum of its proper divisors (1).

464032489 is an equidigital number, since it uses as much as digits as its factorization.

464032489 is an odious number, because the sum of its binary digits is odd.

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

The square root of 464032489 is about 21541.4133473178. The cubic root of 464032489 is about 774.1933968003.

The spelling of 464032489 in words is "four hundred sixty-four million, thirty-two thousand, four hundred eighty-nine".