432910045681 has 3 divisors (see below), whose sum is σ = 432910703641. Its totient is φ = 432909387722.

The previous prime is 432910045649. The next prime is 432910045691. The reversal of 432910045681 is 186540019234.

The square root of 432910045681 is 657959.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 432910045681 - 2⁵ = 432910045649 is a prime.

It is a super-2 number, since 2×432910045681² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (432910045691) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 328980 + ... + 986938.

Almost surely, 2^432910045681 is an apocalyptic number.

432910045681 is the 657959-th square number.

432910045681 is the 328980-th centered octagonal number.

It is an amenable number.

432910045681 is a deficient number, since it is larger than the sum of its proper divisors (657960).

432910045681 is an frugal number, since it uses more digits than its factorization.

432910045681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315918 (or 657959 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 432910045681 in words is "four hundred thirty-two billion, nine hundred ten million, forty-five thousand, six hundred eighty-one".