3518685361 has 2 divisors, whose sum is σ = 3518685362. Its totient is φ = 3518685360.

The previous prime is 3518685341. The next prime is 3518685371. The reversal of 3518685361 is 1635868153.

3518685361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3308435361 + 210250000 = 57519^2 + 14500^2 .

It is a cyclic number.

It is not a de Polignac number, because 3518685361 - 2⁹ = 3518684849 is a prime.

It is a super-2 number, since 2×3518685361² = 24762293339431400642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3518685341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1759342680 + 1759342681.

It is an arithmetic number, because the mean of its divisors is an integer number (1759342681).

Almost surely, 2^3518685361 is an apocalyptic number.

It is an amenable number.

3518685361 is a deficient number, since it is larger than the sum of its proper divisors (1).

3518685361 is an equidigital number, since it uses as much as digits as its factorization.

3518685361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 46.

The square root of 3518685361 is about 59318.5077442108. The cubic root of 3518685361 is about 1520.9915853595.

The spelling of 3518685361 in words is "three billion, five hundred eighteen million, six hundred eighty-five thousand, three hundred sixty-one".