2118692713 has 2 divisors, whose sum is σ = 2118692714. Its totient is φ = 2118692712.

The previous prime is 2118692707. The next prime is 2118692729. The reversal of 2118692713 is 3172968112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1375148889 + 743543824 = 37083^2 + 27268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2118692713 is a prime.

It is a super-3 number, since 3×2118692713³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2118692783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059346356 + 1059346357.

It is an arithmetic number, because the mean of its divisors is an integer number (1059346357).

Almost surely, 2^2118692713 is an apocalyptic number.

It is an amenable number.

2118692713 is a deficient number, since it is larger than the sum of its proper divisors (1).

2118692713 is an equidigital number, since it uses as much as digits as its factorization.

2118692713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 40.

The square root of 2118692713 is about 46029.2593140494. The cubic root of 2118692713 is about 1284.3675496027.

The spelling of 2118692713 in words is "two billion, one hundred eighteen million, six hundred ninety-two thousand, seven hundred thirteen".