3835845681856 has 28 divisors (see below), whose sum is σ = 7736539172560. Its totient is φ = 1886481480960.

The previous prime is 3835845681823. The next prime is 3835845681881. The reversal of 3835845681856 is 6581865485383.

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, 491267316 + ... + 491275123.

Almost surely, 2^{3835845681856} is an apocalyptic number.

It is an amenable number.

3835845681856 is an abundant number, since it is smaller than the sum of its proper divisors (3900693490704).

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

3835845681856 is an equidigital number, since it uses as much as digits as its factorization.

3835845681856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982542512 (or 982542502 counting only the distinct ones).

The product of its digits is 663552000, while the sum is 70.

The spelling of 3835845681856 in words is "three trillion, eight hundred thirty-five billion, eight hundred forty-five million, six hundred eighty-one thousand, eight hundred fifty-six".