6866207458031 has 2 divisors, whose sum is σ = 6866207458032. Its totient is φ = 6866207458030.

The previous prime is 6866207458021. The next prime is 6866207458039. The reversal of 6866207458031 is 1308547026686.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6866207458031 is a prime.

It is a super-2 number, since 2×6866207458031² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6866207458039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3433103729015 + 3433103729016.

It is an arithmetic number, because the mean of its divisors is an integer number (3433103729016).

Almost surely, 2^{6866207458031} is an apocalyptic number.

6866207458031 is a deficient number, since it is larger than the sum of its proper divisors (1).

6866207458031 is an equidigital number, since it uses as much as digits as its factorization.

6866207458031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 6866207458031 in words is "six trillion, eight hundred sixty-six billion, two hundred seven million, four hundred fifty-eight thousand, thirty-one".