3518666838356 has 6 divisors (see below), whose sum is σ = 6157666967130. Its totient is φ = 1759333419176.

The previous prime is 3518666838347. The next prime is 3518666838419. The reversal of 3518666838356 is 6538386668153.

It can be written as a sum of positive squares in only one way, i.e., 3504758410000 + 13908428356 = 1872100^2 + 117934^2 .

It is a super-3 number, since 3×3518666838356³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439833354791 + ... + 439833354798.

It is an arithmetic number, because the mean of its divisors is an integer number (1026277827855).

Almost surely, 2^{3518666838356} is an apocalyptic number.

It is an amenable number.

3518666838356 is a deficient number, since it is larger than the sum of its proper divisors (2639000128774).

3518666838356 is a wasteful number, since it uses less digits than its factorization.

3518666838356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879666709593 (or 879666709591 counting only the distinct ones).

The product of its digits is 447897600, while the sum is 68.

The spelling of 3518666838356 in words is "three trillion, five hundred eighteen billion, six hundred sixty-six million, eight hundred thirty-eight thousand, three hundred fifty-six".