6982269857 has 2 divisors, whose sum is σ = 6982269858. Its totient is φ = 6982269856.

The previous prime is 6982269829. The next prime is 6982269893. The reversal of 6982269857 is 7589622896.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6052995601 + 929274256 = 77801^2 + 30484^2 .

It is a cyclic number.

It is not a de Polignac number, because 6982269857 - 2¹² = 6982265761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6982269857.

It is not a weakly prime, because it can be changed into another prime (6982269457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3491134928 + 3491134929.

It is an arithmetic number, because the mean of its divisors is an integer number (3491134929).

Almost surely, 2^6982269857 is an apocalyptic number.

It is an amenable number.

6982269857 is a deficient number, since it is larger than the sum of its proper divisors (1).

6982269857 is an equidigital number, since it uses as much as digits as its factorization.

6982269857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26127360, while the sum is 62.

The square root of 6982269857 is about 83559.9776029171. The cubic root of 6982269857 is about 1911.3147437597.

The spelling of 6982269857 in words is "six billion, nine hundred eighty-two million, two hundred sixty-nine thousand, eight hundred fifty-seven".