6986361673 has 2 divisors, whose sum is σ = 6986361674. Its totient is φ = 6986361672.

The previous prime is 6986361643. The next prime is 6986361689. The reversal of 6986361673 is 3761636896.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3773399184 + 3212962489 = 61428^2 + 56683^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6986361673 is a prime.

It is not a weakly prime, because it can be changed into another prime (6986361643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3493180836 + 3493180837.

It is an arithmetic number, because the mean of its divisors is an integer number (3493180837).

Almost surely, 2^6986361673 is an apocalyptic number.

It is an amenable number.

6986361673 is a deficient number, since it is larger than the sum of its proper divisors (1).

6986361673 is an equidigital number, since it uses as much as digits as its factorization.

6986361673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 55.

The square root of 6986361673 is about 83584.4583221067. The cubic root of 6986361673 is about 1911.6880331139.

The spelling of 6986361673 in words is "six billion, nine hundred eighty-six million, three hundred sixty-one thousand, six hundred seventy-three".