6318109997 has 2 divisors, whose sum is σ = 6318109998. Its totient is φ = 6318109996.

The previous prime is 6318109979. The next prime is 6318110011. The reversal of 6318109997 is 7999018136.

Together with previous prime (6318109979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3666786916 + 2651323081 = 60554^2 + 51491^2 .

It is a cyclic number.

It is not a de Polignac number, because 6318109997 - 2⁸ = 6318109741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6318109097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3159054998 + 3159054999.

It is an arithmetic number, because the mean of its divisors is an integer number (3159054999).

Almost surely, 2^6318109997 is an apocalyptic number.

It is an amenable number.

6318109997 is a deficient number, since it is larger than the sum of its proper divisors (1).

6318109997 is an equidigital number, since it uses as much as digits as its factorization.

6318109997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 53.

The square root of 6318109997 is about 79486.5397221442. The cubic root of 6318109997 is about 1848.6827727830.

The spelling of 6318109997 in words is "six billion, three hundred eighteen million, one hundred nine thousand, nine hundred ninety-seven".