683391101 has 2 divisors, whose sum is σ = 683391102. Its totient is φ = 683391100.

The previous prime is 683391091. The next prime is 683391151. The reversal of 683391101 is 101193386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 478471876 + 204919225 = 21874^2 + 14315^2 .

It is a cyclic number.

It is not a de Polignac number, because 683391101 - 2¹⁴ = 683374717 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683391151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341695550 + 341695551.

It is an arithmetic number, because the mean of its divisors is an integer number (341695551).

Almost surely, 2^683391101 is an apocalyptic number.

It is an amenable number.

683391101 is a deficient number, since it is larger than the sum of its proper divisors (1).

683391101 is an equidigital number, since it uses as much as digits as its factorization.

683391101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 683391101 is about 26141.7501518165. The cubic root of 683391101 is about 880.8252851006.

The spelling of 683391101 in words is "six hundred eighty-three million, three hundred ninety-one thousand, one hundred one".