3881993163 has 8 divisors (see below), whose sum is σ = 5480461008. Its totient is φ = 2435760384.

The previous prime is 3881993149. The next prime is 3881993183. The reversal of 3881993163 is 3613991883.

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

It is not a de Polignac number, because 3881993163 - 2¹⁷ = 3881862091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 76117513 = 3881993163 / (3 + 8 + 8 + 1 + 9 + 9 + 3 + 1 + 6 + 3).

It is not an unprimeable number, because it can be changed into a prime (3881993183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38058706 + ... + 38058807.

It is an arithmetic number, because the mean of its divisors is an integer number (685057626).

Almost surely, 2^3881993163 is an apocalyptic number.

3881993163 is a deficient number, since it is larger than the sum of its proper divisors (1598467845).

3881993163 is a wasteful number, since it uses less digits than its factorization.

3881993163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76117533.

The product of its digits is 839808, while the sum is 51.

The square root of 3881993163 is about 62305.6431071857. The cubic root of 3881993163 is about 1571.6346266235.

The spelling of 3881993163 in words is "three billion, eight hundred eighty-one million, nine hundred ninety-three thousand, one hundred sixty-three".