1659938113 has 2 divisors, whose sum is σ = 1659938114. Its totient is φ = 1659938112.

The previous prime is 1659938101. The next prime is 1659938197. The reversal of 1659938113 is 3118399561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1578631824 + 81306289 = 39732^2 + 9017^2 .

It is a cyclic number.

It is not a de Polignac number, because 1659938113 - 2⁵ = 1659938081 is a prime.

It is not a weakly prime, because it can be changed into another prime (1659938513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 829969056 + 829969057.

It is an arithmetic number, because the mean of its divisors is an integer number (829969057).

Almost surely, 2^1659938113 is an apocalyptic number.

It is an amenable number.

1659938113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1659938113 is an equidigital number, since it uses as much as digits as its factorization.

1659938113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 46.

The square root of 1659938113 is about 40742.3380895108. The cubic root of 1659938113 is about 1184.0334330653.

The spelling of 1659938113 in words is "one billion, six hundred fifty-nine million, nine hundred thirty-eight thousand, one hundred thirteen".