683749319899 has 2 divisors, whose sum is σ = 683749319900. Its totient is φ = 683749319898.

The previous prime is 683749319873. The next prime is 683749319941. The reversal of 683749319899 is 998913947386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 683749319899 - 2²⁷ = 683615102171 is a prime.

It is not a weakly prime, because it can be changed into another prime (683749319699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341874659949 + 341874659950.

It is an arithmetic number, because the mean of its divisors is an integer number (341874659950).

Almost surely, 2^683749319899 is an apocalyptic number.

683749319899 is a deficient number, since it is larger than the sum of its proper divisors (1).

683749319899 is an equidigital number, since it uses as much as digits as its factorization.

683749319899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 634894848, while the sum is 76.

The spelling of 683749319899 in words is "six hundred eighty-three billion, seven hundred forty-nine million, three hundred nineteen thousand, eight hundred ninety-nine".