3835845565868 has 12 divisors (see below), whose sum is σ = 6855553777632. Its totient is φ = 1877115915120.

The previous prime is 3835845565859. The next prime is 3835845565873. The reversal of 3835845565868 is 8685655485383.

It is a super-2 number, since 2×3835845565868² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3835845565795 and 3835845565804.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10201716743 + ... + 10201717118.

It is an arithmetic number, because the mean of its divisors is an integer number (571296148136).

Almost surely, 2^{3835845565868} is an apocalyptic number.

It is an amenable number.

3835845565868 is a deficient number, since it is larger than the sum of its proper divisors (3019708211764).

3835845565868 is a wasteful number, since it uses less digits than its factorization.

3835845565868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20403433912 (or 20403433910 counting only the distinct ones).

The product of its digits is 3317760000, while the sum is 74.

The spelling of 3835845565868 in words is "three trillion, eight hundred thirty-five billion, eight hundred forty-five million, five hundred sixty-five thousand, eight hundred sixty-eight".