431164193909 has 8 divisors (see below), whose sum is σ = 453963396480. Its totient is φ = 408375626400.

The previous prime is 431164193899. The next prime is 431164193917. The reversal of 431164193909 is 909391461134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 431164193909 - 2⁴ = 431164193893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431164193939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2575472 + ... + 2737769.

It is an arithmetic number, because the mean of its divisors is an integer number (56745424560).

Almost surely, 2^431164193909 is an apocalyptic number.

It is an amenable number.

431164193909 is a deficient number, since it is larger than the sum of its proper divisors (22799202571).

431164193909 is a wasteful number, since it uses less digits than its factorization.

431164193909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5317531.

The product of its (nonzero) digits is 629856, while the sum is 50.

The spelling of 431164193909 in words is "four hundred thirty-one billion, one hundred sixty-four million, one hundred ninety-three thousand, nine hundred nine".