6430648117 has 2 divisors, whose sum is σ = 6430648118. Its totient is φ = 6430648116.

The previous prime is 6430648109. The next prime is 6430648163. The reversal of 6430648117 is 7118460346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4061003076 + 2369645041 = 63726^2 + 48679^2 .

It is a cyclic number.

It is not a de Polignac number, because 6430648117 - 2³ = 6430648109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6430648117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6430648517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215324058 + 3215324059.

It is an arithmetic number, because the mean of its divisors is an integer number (3215324059).

Almost surely, 2^6430648117 is an apocalyptic number.

It is an amenable number.

6430648117 is a deficient number, since it is larger than the sum of its proper divisors (1).

6430648117 is an equidigital number, since it uses as much as digits as its factorization.

6430648117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 6430648117 is about 80191.3219556830. The cubic root of 6430648117 is about 1859.5944810055.

The spelling of 6430648117 in words is "six billion, four hundred thirty million, six hundred forty-eight thousand, one hundred seventeen".