3681822365 has 16 divisors (see below), whose sum is σ = 4777024896. Its totient is φ = 2708040000.

The previous prime is 3681822301. The next prime is 3681822367. The reversal of 3681822365 is 5632281863.

It is not a de Polignac number, because 3681822365 - 2⁶ = 3681822301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681822367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96521 + ... + 129150.

It is an arithmetic number, because the mean of its divisors is an integer number (298564056).

Almost surely, 2^3681822365 is an apocalyptic number.

It is an amenable number.

3681822365 is a deficient number, since it is larger than the sum of its proper divisors (1095202531).

3681822365 is a wasteful number, since it uses less digits than its factorization.

3681822365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225940.

The product of its digits is 414720, while the sum is 44.

The square root of 3681822365 is about 60678.0220920227. The cubic root of 3681822365 is about 1544.1433324044.

The spelling of 3681822365 in words is "three billion, six hundred eighty-one million, eight hundred twenty-two thousand, three hundred sixty-five".