683996219069 has 2 divisors, whose sum is σ = 683996219070. Its totient is φ = 683996219068.

The previous prime is 683996219033. The next prime is 683996219083. The reversal of 683996219069 is 960912699386.

683996219069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 606626015044 + 77370204025 = 778862^2 + 278155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-683996219069 is a prime.

It is a super-2 number, since 2×683996219069² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683996219029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341998109534 + 341998109535.

It is an arithmetic number, because the mean of its divisors is an integer number (341998109535).

Almost surely, 2^683996219069 is an apocalyptic number.

It is an amenable number.

683996219069 is a deficient number, since it is larger than the sum of its proper divisors (1).

683996219069 is an equidigital number, since it uses as much as digits as its factorization.

683996219069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68024448, while the sum is 68.

The spelling of 683996219069 in words is "six hundred eighty-three billion, nine hundred ninety-six million, two hundred nineteen thousand, sixty-nine".