431164193899 has 2 divisors, whose sum is σ = 431164193900. Its totient is φ = 431164193898.

The previous prime is 431164193893. The next prime is 431164193917. The reversal of 431164193899 is 998391461134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431164193899 - 2¹³ = 431164185707 is a prime.

It is not a weakly prime, because it can be changed into another prime (431164193893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215582096949 + 215582096950.

It is an arithmetic number, because the mean of its divisors is an integer number (215582096950).

Almost surely, 2^431164193899 is an apocalyptic number.

431164193899 is a deficient number, since it is larger than the sum of its proper divisors (1).

431164193899 is an equidigital number, since it uses as much as digits as its factorization.

431164193899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 58.

The spelling of 431164193899 in words is "four hundred thirty-one billion, one hundred sixty-four million, one hundred ninety-three thousand, eight hundred ninety-nine".