6986662063 has 2 divisors, whose sum is σ = 6986662064. Its totient is φ = 6986662062.

The previous prime is 6986662019. The next prime is 6986662073. The reversal of 6986662063 is 3602666896.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6986662063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6986662063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6986662073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3493331031 + 3493331032.

It is an arithmetic number, because the mean of its divisors is an integer number (3493331032).

Almost surely, 2^6986662063 is an apocalyptic number.

6986662063 is a deficient number, since it is larger than the sum of its proper divisors (1).

6986662063 is an equidigital number, since it uses as much as digits as its factorization.

6986662063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3359232, while the sum is 52.

The square root of 6986662063 is about 83586.2552277586. The cubic root of 6986662063 is about 1911.7154314348.

The spelling of 6986662063 in words is "six billion, nine hundred eighty-six million, six hundred sixty-two thousand, sixty-three".