3528871169138 has 12 divisors (see below), whose sum is σ = 6157520101422. Its totient is φ = 1512373358160.

The previous prime is 3528871169129. The next prime is 3528871169179. The reversal of 3528871169138 is 8319611788253.

It can be written as a sum of positive squares in only one way, i.e., 3140384484769 + 388486684369 = 1772113^2 + 623287^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18004444643 + ... + 18004444838.

Almost surely, 2^{3528871169138} is an apocalyptic number.

3528871169138 is a deficient number, since it is larger than the sum of its proper divisors (2628648932284).

3528871169138 is a wasteful number, since it uses less digits than its factorization.

3528871169138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36008889497 (or 36008889490 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 62.

The spelling of 3528871169138 in words is "three trillion, five hundred twenty-eight billion, eight hundred seventy-one million, one hundred sixty-nine thousand, one hundred thirty-eight".