3681368858 has 8 divisors (see below), whose sum is σ = 5523174228. Its totient is φ = 1840310784.

The previous prime is 3681368851. The next prime is 3681368861. The reversal of 3681368858 is 8588631863.

It can be written as a sum of positive squares in 2 ways, for example, as 3678786409 + 2582449 = 60653^2 + 1607^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3681368851) 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, 174341 + ... + 194312.

Almost surely, 2^3681368858 is an apocalyptic number.

3681368858 is a deficient number, since it is larger than the sum of its proper divisors (1841805370).

3681368858 is a wasteful number, since it uses less digits than its factorization.

3681368858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373648.

The product of its digits is 6635520, while the sum is 56.

The square root of 3681368858 is about 60674.2849813659. The cubic root of 3681368858 is about 1544.0799300550.

The spelling of 3681368858 in words is "three billion, six hundred eighty-one million, three hundred sixty-eight thousand, eight hundred fifty-eight".