3486650636568 has 128 divisors (see below), whose sum is σ = 9542135197440. Its totient is φ = 1052889600000.

The previous prime is 3486650636563. The next prime is 3486650636627. The reversal of 3486650636568 is 8656360566843.

It is a happy number.

It is a super-2 number, since 2×3486650636568² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 3486650636499 and 3486650636508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3486650636563) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 111247396 + ... + 111278732.

It is an arithmetic number, because the mean of its divisors is an integer number (74547931230).

Almost surely, 2^{3486650636568} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3486650636568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4771067598720).

3486650636568 is an abundant number, since it is smaller than the sum of its proper divisors (6055484560872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3486650636568 is a wasteful number, since it uses less digits than its factorization.

3486650636568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32809 (or 32805 counting only the distinct ones).

The product of its (nonzero) digits is 447897600, while the sum is 66.

The spelling of 3486650636568 in words is "three trillion, four hundred eighty-six billion, six hundred fifty million, six hundred thirty-six thousand, five hundred sixty-eight".