3531377793668 has 12 divisors (see below), whose sum is σ = 6180019789020. Its totient is φ = 1765657853952.

The previous prime is 3531377793599. The next prime is 3531377793703. The reversal of 3531377793668 is 8663977731353.

It can be written as a sum of positive squares in 2 ways, for example, as 2380997130304 + 1150380663364 = 1543048^2 + 1072558^2 .

It is a super-2 number, since 2×3531377793668² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3531377793598 and 3531377793607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7503821 + ... + 7960532.

It is an arithmetic number, because the mean of its divisors is an integer number (515001649085).

Almost surely, 2^{3531377793668} is an apocalyptic number.

It is an amenable number.

3531377793668 is a deficient number, since it is larger than the sum of its proper divisors (2648641995352).

3531377793668 is a wasteful number, since it uses less digits than its factorization.

3531377793668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15521446 (or 15521444 counting only the distinct ones).

The product of its digits is 360067680, while the sum is 68.

The spelling of 3531377793668 in words is "three trillion, five hundred thirty-one billion, three hundred seventy-seven million, seven hundred ninety-three thousand, six hundred sixty-eight".