432140869 has 2 divisors, whose sum is σ = 432140870. Its totient is φ = 432140868.

The previous prime is 432140843. The next prime is 432140893. The reversal of 432140869 is 968041234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286624900 + 145515969 = 16930^2 + 12063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-432140869 is a prime.

It is a super-2 number, since 2×432140869² = 373491461320150322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432140809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216070434 + 216070435.

It is an arithmetic number, because the mean of its divisors is an integer number (216070435).

Almost surely, 2^432140869 is an apocalyptic number.

It is an amenable number.

432140869 is a deficient number, since it is larger than the sum of its proper divisors (1).

432140869 is an equidigital number, since it uses as much as digits as its factorization.

432140869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 432140869 is about 20787.9981960746. The cubic root of 432140869 is about 756.0347894417.

The spelling of 432140869 in words is "four hundred thirty-two million, one hundred forty thousand, eight hundred sixty-nine".