6986618858983 has 2 divisors, whose sum is σ = 6986618858984. Its totient is φ = 6986618858982.

The previous prime is 6986618858977. The next prime is 6986618858987. The reversal of 6986618858983 is 3898588166896.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6986618858983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6986618858983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6986618858987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3493309429491 + 3493309429492.

It is an arithmetic number, because the mean of its divisors is an integer number (3493309429492).

Almost surely, 2^{6986618858983} is an apocalyptic number.

6986618858983 is a deficient number, since it is larger than the sum of its proper divisors (1).

6986618858983 is an equidigital number, since it uses as much as digits as its factorization.

6986618858983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8599633920, while the sum is 85.

It can be divided in two parts, 6986618 and 858983, that added together give a square (7845601 = 2801²).

The spelling of 6986618858983 in words is "six trillion, nine hundred eighty-six billion, six hundred eighteen million, eight hundred fifty-eight thousand, nine hundred eighty-three".