3681852481 has 8 divisors (see below), whose sum is σ = 3733800840. Its totient is φ = 3630139392.

The previous prime is 3681852463. The next prime is 3681852497. The reversal of 3681852481 is 1842581863.

3681852481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 36108081 + 3645744400 = 6009^2 + 60380^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3681852481 - 2⁷ = 3681852353 is a prime.

It is a super-2 number, since 2×3681852481² = 27112075383691710722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3681853481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27180 + ... + 90013.

It is an arithmetic number, because the mean of its divisors is an integer number (466725105).

Almost surely, 2^3681852481 is an apocalyptic number.

It is an amenable number.

3681852481 is a deficient number, since it is larger than the sum of its proper divisors (51948359).

3681852481 is a wasteful number, since it uses less digits than its factorization.

3681852481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117635.

The product of its digits is 368640, while the sum is 46.

The square root of 3681852481 is about 60678.2702538561. The cubic root of 3681852481 is about 1544.1475425744.

The spelling of 3681852481 in words is "three billion, six hundred eighty-one million, eight hundred fifty-two thousand, four hundred eighty-one".