432287789 has 2 divisors, whose sum is σ = 432287790. Its totient is φ = 432287788.

The previous prime is 432287731. The next prime is 432287813. The reversal of 432287789 is 987782234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408444100 + 23843689 = 20210^2 + 4883^2 .

It is a cyclic number.

It is not a de Polignac number, because 432287789 - 2⁸ = 432287533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432287719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216143894 + 216143895.

It is an arithmetic number, because the mean of its divisors is an integer number (216143895).

Almost surely, 2^432287789 is an apocalyptic number.

It is an amenable number.

432287789 is a deficient number, since it is larger than the sum of its proper divisors (1).

432287789 is an equidigital number, since it uses as much as digits as its factorization.

432287789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 50.

The square root of 432287789 is about 20791.5316655604. The cubic root of 432287789 is about 756.1204590721.

The spelling of 432287789 in words is "four hundred thirty-two million, two hundred eighty-seven thousand, seven hundred eighty-nine".