14399491831 has 2 divisors, whose sum is σ = 14399491832. Its totient is φ = 14399491830.

The previous prime is 14399491817. The next prime is 14399491859. The reversal of 14399491831 is 13819499341.

It is a weak prime.

It is an emirp because it is prime and its reverse (13819499341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14399491831 - 2²¹ = 14397394679 is a prime.

It is a super-2 number, since 2×14399491831² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14399491891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7199745915 + 7199745916.

It is an arithmetic number, because the mean of its divisors is an integer number (7199745916).

Almost surely, 2^14399491831 is an apocalyptic number.

14399491831 is a deficient number, since it is larger than the sum of its proper divisors (1).

14399491831 is an equidigital number, since it uses as much as digits as its factorization.

14399491831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 52.

The spelling of 14399491831 in words is "fourteen billion, three hundred ninety-nine million, four hundred ninety-one thousand, eight hundred thirty-one".