683769913 has 2 divisors, whose sum is σ = 683769914. Its totient is φ = 683769912.

The previous prime is 683769847. The next prime is 683769941. The reversal of 683769913 is 319967386.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 492307344 + 191462569 = 22188^2 + 13837^2 .

It is a cyclic number.

It is not a de Polignac number, because 683769913 - 2²⁵ = 650215481 is a prime.

It is not a weakly prime, because it can be changed into another prime (683769943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341884956 + 341884957.

It is an arithmetic number, because the mean of its divisors is an integer number (341884957).

Almost surely, 2^683769913 is an apocalyptic number.

It is an amenable number.

683769913 is a deficient number, since it is larger than the sum of its proper divisors (1).

683769913 is an equidigital number, since it uses as much as digits as its factorization.

683769913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 52.

The square root of 683769913 is about 26148.9944930967. The cubic root of 683769913 is about 880.9880057616.

The spelling of 683769913 in words is "six hundred eighty-three million, seven hundred sixty-nine thousand, nine hundred thirteen".