3500669138 has 54 divisors (see below), whose sum is σ = 5886130341. Its totient is φ = 1561022144.

The previous prime is 3500669119. The next prime is 3500669177. The reversal of 3500669138 is 8319660053.

It can be written as a sum of positive squares in 2 ways, for example, as 3203899609 + 296769529 = 56603^2 + 17227^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=41837.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3500669095 and 3500669104.

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 in 26 ways as a sum of consecutive naturals, for example, 32716481 + ... + 32716587.

Almost surely, 2^3500669138 is an apocalyptic number.

3500669138 is a deficient number, since it is larger than the sum of its proper divisors (2385461203).

3500669138 is a wasteful number, since it uses less digits than its factorization.

3500669138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 3500669138 is about 59166.4528090032. The cubic root of 3500669138 is about 1518.3912367758.

The spelling of 3500669138 in words is "three billion, five hundred million, six hundred sixty-nine thousand, one hundred thirty-eight".