432193109 has 2 divisors, whose sum is σ = 432193110. Its totient is φ = 432193108.

The previous prime is 432193087. The next prime is 432193147. The reversal of 432193109 is 901391234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243048100 + 189145009 = 15590^2 + 13753^2 .

It is a cyclic number.

It is not a de Polignac number, because 432193109 - 2²⁸ = 163757653 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432193169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216096554 + 216096555.

It is an arithmetic number, because the mean of its divisors is an integer number (216096555).

Almost surely, 2^432193109 is an apocalyptic number.

It is an amenable number.

432193109 is a deficient number, since it is larger than the sum of its proper divisors (1).

432193109 is an equidigital number, since it uses as much as digits as its factorization.

432193109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 432193109 is about 20789.2546523438. The cubic root of 432193109 is about 756.0652530157.

The spelling of 432193109 in words is "four hundred thirty-two million, one hundred ninety-three thousand, one hundred nine".