6982939897 has 2 divisors, whose sum is σ = 6982939898. Its totient is φ = 6982939896.

The previous prime is 6982939853. The next prime is 6982939927. The reversal of 6982939897 is 7989392896.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6958229056 + 24710841 = 83416^2 + 4971^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6982939897 is a prime.

It is a super-2 number, since 2×6982939897² = 97522899210228741218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6982939597) 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, 3491469948 + 3491469949.

It is an arithmetic number, because the mean of its divisors is an integer number (3491469949).

Almost surely, 2^6982939897 is an apocalyptic number.

It is an amenable number.

6982939897 is a deficient number, since it is larger than the sum of its proper divisors (1).

6982939897 is an equidigital number, since it uses as much as digits as its factorization.

6982939897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105815808, while the sum is 70.

The square root of 6982939897 is about 83563.9868424191. The cubic root of 6982939897 is about 1911.3758803430.

The spelling of 6982939897 in words is "six billion, nine hundred eighty-two million, nine hundred thirty-nine thousand, eight hundred ninety-seven".