6446703637117 has 2 divisors, whose sum is σ = 6446703637118. Its totient is φ = 6446703637116.

The previous prime is 6446703637111. The next prime is 6446703637141. The reversal of 6446703637117 is 7117363076446.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3656313798201 + 2790389838916 = 1912149^2 + 1670446^2 .

It is a cyclic number.

It is not a de Polignac number, because 6446703637117 - 2²³ = 6446695248509 is a prime.

It is a super-5 number, since 5×6446703637117⁵ (a number of 65 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6446703637111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3223351818558 + 3223351818559.

It is an arithmetic number, because the mean of its divisors is an integer number (3223351818559).

Almost surely, 2^{6446703637117} is an apocalyptic number.

It is an amenable number.

6446703637117 is a deficient number, since it is larger than the sum of its proper divisors (1).

6446703637117 is an equidigital number, since it uses as much as digits as its factorization.

6446703637117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10668672, while the sum is 55.

The spelling of 6446703637117 in words is "six trillion, four hundred forty-six billion, seven hundred three million, six hundred thirty-seven thousand, one hundred seventeen".