431377890189 has 32 divisors (see below), whose sum is σ = 621854233344. Its totient is φ = 265278182400.

The previous prime is 431377890179. The next prime is 431377890193. The reversal of 431377890189 is 981098773134.

It is not a de Polignac number, because 431377890189 - 2⁴ = 431377890173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431377890149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459162 + ... + 1036139.

It is an arithmetic number, because the mean of its divisors is an integer number (19432944792).

Almost surely, 2^431377890189 is an apocalyptic number.

It is an amenable number.

431377890189 is a deficient number, since it is larger than the sum of its proper divisors (190476343155).

431377890189 is a wasteful number, since it uses less digits than its factorization.

431377890189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495477.

The product of its (nonzero) digits is 9144576, while the sum is 60.

The spelling of 431377890189 in words is "four hundred thirty-one billion, three hundred seventy-seven million, eight hundred ninety thousand, one hundred eighty-nine".