6868863031 has 2 divisors, whose sum is σ = 6868863032. Its totient is φ = 6868863030.

The previous prime is 6868863019. The next prime is 6868863049. The reversal of 6868863031 is 1303688686.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6868863031 is a prime.

It is a super-2 number, since 2×6868863031² = 94362558677277013922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6868863061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3434431515 + 3434431516.

It is an arithmetic number, because the mean of its divisors is an integer number (3434431516).

Almost surely, 2^6868863031 is an apocalyptic number.

6868863031 is a deficient number, since it is larger than the sum of its proper divisors (1).

6868863031 is an equidigital number, since it uses as much as digits as its factorization.

6868863031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 6868863031 is about 82878.6041810551. The cubic root of 6868863031 is about 1900.9102776726.

The spelling of 6868863031 in words is "six billion, eight hundred sixty-eight million, eight hundred sixty-three thousand, thirty-one".