432457919 has 2 divisors, whose sum is σ = 432457920. Its totient is φ = 432457918.

The previous prime is 432457903. The next prime is 432457931. The reversal of 432457919 is 919754234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 432457919 - 2⁴ = 432457903 is a prime.

It is a super-2 number, since 2×432457919² = 374039703411621122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 432457919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432457969) 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, 216228959 + 216228960.

It is an arithmetic number, because the mean of its divisors is an integer number (216228960).

Almost surely, 2^432457919 is an apocalyptic number.

432457919 is a deficient number, since it is larger than the sum of its proper divisors (1).

432457919 is an equidigital number, since it uses as much as digits as its factorization.

432457919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 432457919 is about 20795.6225922669. The cubic root of 432457919 is about 756.2196382957.

The spelling of 432457919 in words is "four hundred thirty-two million, four hundred fifty-seven thousand, nine hundred nineteen".