6799618457 has 2 divisors, whose sum is σ = 6799618458. Its totient is φ = 6799618456.

The previous prime is 6799618433. The next prime is 6799618499. The reversal of 6799618457 is 7548169976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6795694096 + 3924361 = 82436^2 + 1981^2 .

It is a cyclic number.

It is not a de Polignac number, because 6799618457 - 2⁶ = 6799618393 is a prime.

It is a super-2 number, since 2×6799618457² = 92469622321550121698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6799618457.

It is not a weakly prime, because it can be changed into another prime (6799618417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3399809228 + 3399809229.

It is an arithmetic number, because the mean of its divisors is an integer number (3399809229).

Almost surely, 2^6799618457 is an apocalyptic number.

It is an amenable number.

6799618457 is a deficient number, since it is larger than the sum of its proper divisors (1).

6799618457 is an equidigital number, since it uses as much as digits as its factorization.

6799618457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22861440, while the sum is 62.

The square root of 6799618457 is about 82459.7990356513. The cubic root of 6799618457 is about 1894.5010400262.

The spelling of 6799618457 in words is "six billion, seven hundred ninety-nine million, six hundred eighteen thousand, four hundred fifty-seven".