683749319941 has 2 divisors, whose sum is σ = 683749319942. Its totient is φ = 683749319940.

The previous prime is 683749319899. The next prime is 683749320053. The reversal of 683749319941 is 149913947386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 579012943041 + 104736376900 = 760929^2 + 323630^2 .

It is a cyclic number.

It is not a de Polignac number, because 683749319941 - 2¹⁵ = 683749287173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683749319041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341874659970 + 341874659971.

It is an arithmetic number, because the mean of its divisors is an integer number (341874659971).

Almost surely, 2^683749319941 is an apocalyptic number.

It is an amenable number.

683749319941 is a deficient number, since it is larger than the sum of its proper divisors (1).

683749319941 is an equidigital number, since it uses as much as digits as its factorization.

683749319941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35271936, while the sum is 64.

The spelling of 683749319941 in words is "six hundred eighty-three billion, seven hundred forty-nine million, three hundred nineteen thousand, nine hundred forty-one".