6938882663 has 2 divisors, whose sum is σ = 6938882664. Its totient is φ = 6938882662.

The previous prime is 6938882569. The next prime is 6938882683. The reversal of 6938882663 is 3662888396.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6938882663 - 2²⁰ = 6937834087 is a prime.

It is a super-2 number, since 2×6938882663² = 96296185221763943138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6938882683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3469441331 + 3469441332.

It is an arithmetic number, because the mean of its divisors is an integer number (3469441332).

Almost surely, 2^6938882663 is an apocalyptic number.

6938882663 is a deficient number, since it is larger than the sum of its proper divisors (1).

6938882663 is an equidigital number, since it uses as much as digits as its factorization.

6938882663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17915904, while the sum is 59.

The square root of 6938882663 is about 83299.9559603725. The cubic root of 6938882663 is about 1907.3476028529.

The spelling of 6938882663 in words is "six billion, nine hundred thirty-eight million, eight hundred eighty-two thousand, six hundred sixty-three".