3853773644 has 12 divisors (see below), whose sum is σ = 7707547344. Its totient is φ = 1651617264.

The previous prime is 3853773643. The next prime is 3853773659. The reversal of 3853773644 is 4463773583.

3853773644 is an admirable number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3853773592 and 3853773601.

It is not an unprimeable number, because it can be changed into a prime (3853773641) 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 3 ways as a sum of consecutive naturals, for example, 68817359 + ... + 68817414.

It is an arithmetic number, because the mean of its divisors is an integer number (642295612).

Almost surely, 2^3853773644 is an apocalyptic number.

It is an amenable number.

3853773644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3853773644 is a wasteful number, since it uses less digits than its factorization.

3853773644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137634784 (or 137634782 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 50.

The square root of 3853773644 is about 62078.7696720868. The cubic root of 3853773644 is about 1567.8171137826.

The spelling of 3853773644 in words is "three billion, eight hundred fifty-three million, seven hundred seventy-three thousand, six hundred forty-four".