6698793869 has 2 divisors, whose sum is σ = 6698793870. Its totient is φ = 6698793868.

The previous prime is 6698793853. The next prime is 6698793877. The reversal of 6698793869 is 9683978966.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6647140900 + 51652969 = 81530^2 + 7187^2 .

It is a cyclic number.

It is not a de Polignac number, because 6698793869 - 2⁴ = 6698793853 is a prime.

It is a super-2 number, since 2×6698793869² = 89747678598703978322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6698793469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3349396934 + 3349396935.

It is an arithmetic number, because the mean of its divisors is an integer number (3349396935).

Almost surely, 2^6698793869 is an apocalyptic number.

It is an amenable number.

6698793869 is a deficient number, since it is larger than the sum of its proper divisors (1).

6698793869 is an equidigital number, since it uses as much as digits as its factorization.

6698793869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211631616, while the sum is 71.

The square root of 6698793869 is about 81846.1597694113. The cubic root of 6698793869 is about 1885.0904997276.

The spelling of 6698793869 in words is "six billion, six hundred ninety-eight million, seven hundred ninety-three thousand, eight hundred sixty-nine".