432345449 has 2 divisors, whose sum is σ = 432345450. Its totient is φ = 432345448.

The previous prime is 432345413. The next prime is 432345509. The reversal of 432345449 is 944543234.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297321049 + 135024400 = 17243^2 + 11620^2 .

It is a cyclic number.

It is not a de Polignac number, because 432345449 - 2²⁴ = 415568233 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_22965851 and since 432345449 and 22965851 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (432345409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216172724 + 216172725.

It is an arithmetic number, because the mean of its divisors is an integer number (216172725).

Almost surely, 2^432345449 is an apocalyptic number.

It is an amenable number.

432345449 is a deficient number, since it is larger than the sum of its proper divisors (1).

432345449 is an equidigital number, since it uses as much as digits as its factorization.

432345449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 38.

The square root of 432345449 is about 20792.9182415552. The cubic root of 432345449 is about 756.1540755413.

The spelling of 432345449 in words is "four hundred thirty-two million, three hundred forty-five thousand, four hundred forty-nine".