432643452806889 has 27 divisors (see below), whose sum is σ = 634402080787293. Its totient is φ = 284121312948792.

The previous prime is 432643452806879. The next prime is 432643452806891. The reversal of 432643452806889 is 988608254346234.

The square root of 432643452806889 is 20800083.

It is a perfect power (a square), and thus also a powerful number.

432643452806889 is a `hidden beast` number, since 4 + 3 + 2 + 6 + 4 + 34 + 528 + 0 + 68 + 8 + 9 = 666.

It is not a de Polignac number, because 432643452806889 - 2²¹ = 432643450709737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (432643452806879) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4180764942 + ... + 4180868424.

Almost surely, 2^{432643452806889} is an apocalyptic number.

432643452806889 is the 20800083-rd square number.

432643452806889 is the 10400042-nd centered octagonal number.

It is an amenable number.

432643452806889 is a deficient number, since it is larger than the sum of its proper divisors (201758627980404).

432643452806889 is an frugal number, since it uses more digits than its factorization.

432643452806889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207106 (or 103553 counting only the distinct ones).

The product of its (nonzero) digits is 1911029760, while the sum is 72.

The spelling of 432643452806889 in words is "four hundred thirty-two trillion, six hundred forty-three billion, four hundred fifty-two million, eight hundred six thousand, eight hundred eighty-nine".