3598666117 has 2 divisors, whose sum is σ = 3598666118. Its totient is φ = 3598666116.

The previous prime is 3598666091. The next prime is 3598666163. The reversal of 3598666117 is 7116668953.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3332291076 + 266375041 = 57726^2 + 16321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3598666117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3598661117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1799333058 + 1799333059.

It is an arithmetic number, because the mean of its divisors is an integer number (1799333059).

Almost surely, 2^3598666117 is an apocalyptic number.

It is an amenable number.

3598666117 is a deficient number, since it is larger than the sum of its proper divisors (1).

3598666117 is an equidigital number, since it uses as much as digits as its factorization.

3598666117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 52.

The square root of 3598666117 is about 59988.8832784875. The cubic root of 3598666117 is about 1532.4295511952.

The spelling of 3598666117 in words is "three billion, five hundred ninety-eight million, six hundred sixty-six thousand, one hundred seventeen".