3681863410 has 8 divisors (see below), whose sum is σ = 6627354156. Its totient is φ = 1472745360.

The previous prime is 3681863407. The next prime is 3681863411. The reversal of 3681863410 is 143681863.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3512577289 + 169286121 = 59267^2 + 13011^2 .

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

It is a super-2 number, since 2×3681863410² = 27112236339793656200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3681863411) 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, 184093161 + ... + 184093180.

Almost surely, 2^3681863410 is an apocalyptic number.

3681863410 is a deficient number, since it is larger than the sum of its proper divisors (2945490746).

3681863410 is a wasteful number, since it uses less digits than its factorization.

3681863410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368186348.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 3681863410 is about 60678.3603107401. The cubic root of 3681863410 is about 1544.1490704259.

The spelling of 3681863410 in words is "three billion, six hundred eighty-one million, eight hundred sixty-three thousand, four hundred ten".