4231891373 has 2 divisors, whose sum is σ = 4231891374. Its totient is φ = 4231891372.

The previous prime is 4231891361. The next prime is 4231891423. The reversal of 4231891373 is 3731981324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3765417769 + 466473604 = 61363^2 + 21598^2 .

It is a cyclic number.

It is not a de Polignac number, because 4231891373 - 2⁸ = 4231891117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4231891373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4231891303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115945686 + 2115945687.

It is an arithmetic number, because the mean of its divisors is an integer number (2115945687).

Almost surely, 2^4231891373 is an apocalyptic number.

It is an amenable number.

4231891373 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231891373 is an equidigital number, since it uses as much as digits as its factorization.

4231891373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 4231891373 is about 65052.9889628447. The cubic root of 4231891373 is about 1617.5020402307.

The spelling of 4231891373 in words is "four billion, two hundred thirty-one million, eight hundred ninety-one thousand, three hundred seventy-three".