4189491876 has 24 divisors (see below), whose sum is σ = 9780490944. Its totient is φ = 1395781600.

The previous prime is 4189491871. The next prime is 4189491881. The reversal of 4189491876 is 6781949814.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4189491871) and next prime (4189491881).

It is not an unprimeable number, because it can be changed into a prime (4189491871) 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, 64800 + ... + 112151.

It is an arithmetic number, because the mean of its divisors is an integer number (407520456).

Almost surely, 2^4189491876 is an apocalyptic number.

It is an amenable number.

4189491876 is an abundant number, since it is smaller than the sum of its proper divisors (5590999068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4189491876 is a wasteful number, since it uses less digits than its factorization.

4189491876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178931 (or 178929 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 57.

The square root of 4189491876 is about 64726.2842746283. The cubic root of 4189491876 is about 1612.0819581421.

The spelling of 4189491876 in words is "four billion, one hundred eighty-nine million, four hundred ninety-one thousand, eight hundred seventy-six".