6769998397 has 2 divisors, whose sum is σ = 6769998398. Its totient is φ = 6769998396.

The previous prime is 6769998377. The next prime is 6769998449. The reversal of 6769998397 is 7938999676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3724172676 + 3045825721 = 61026^2 + 55189^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6769998397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6769998337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3384999198 + 3384999199.

It is an arithmetic number, because the mean of its divisors is an integer number (3384999199).

Almost surely, 2^6769998397 is an apocalyptic number.

It is an amenable number.

6769998397 is a deficient number, since it is larger than the sum of its proper divisors (1).

6769998397 is an equidigital number, since it uses as much as digits as its factorization.

6769998397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 277766496, while the sum is 73.

The square root of 6769998397 is about 82279.9999817696. Note that the first 4 decimals coincide. The cubic root of 6769998397 is about 1891.7461347594.

The spelling of 6769998397 in words is "six billion, seven hundred sixty-nine million, nine hundred ninety-eight thousand, three hundred ninety-seven".