6866668903 has 2 divisors, whose sum is σ = 6866668904. Its totient is φ = 6866668902.

The previous prime is 6866668859. The next prime is 6866668909. The reversal of 6866668903 is 3098666686.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6866668903 - 2²¹ = 6864571751 is a prime.

It is a super-2 number, since 2×6866668903² = 94302283646854446818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6866668909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3433334451 + 3433334452.

It is an arithmetic number, because the mean of its divisors is an integer number (3433334452).

Almost surely, 2^6866668903 is an apocalyptic number.

6866668903 is a deficient number, since it is larger than the sum of its proper divisors (1).

6866668903 is an equidigital number, since it uses as much as digits as its factorization.

6866668903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13436928, while the sum is 58.

The square root of 6866668903 is about 82865.3661248172. The cubic root of 6866668903 is about 1900.7078528742.

The spelling of 6866668903 in words is "six billion, eight hundred sixty-six million, six hundred sixty-eight thousand, nine hundred three".