431889545445 has 16 divisors (see below), whose sum is σ = 691031692032. Its totient is φ = 230338284480.

The previous prime is 431889545411. The next prime is 431889545533. The reversal of 431889545445 is 544545988134.

It is not a de Polignac number, because 431889545445 - 2⁷ = 431889545317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1854804 + ... + 2074626.

It is an arithmetic number, because the mean of its divisors is an integer number (43189480752).

Almost surely, 2^431889545445 is an apocalyptic number.

It is an amenable number.

431889545445 is a deficient number, since it is larger than the sum of its proper divisors (259142146587).

431889545445 is a wasteful number, since it uses less digits than its factorization.

431889545445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350812.

The product of its digits is 55296000, while the sum is 60.

The spelling of 431889545445 in words is "four hundred thirty-one billion, eight hundred eighty-nine million, five hundred forty-five thousand, four hundred forty-five".