3819066445889 has 4 divisors (see below), whose sum is σ = 3819236711556. Its totient is φ = 3818896180224.

The previous prime is 3819066445847. The next prime is 3819066445939. The reversal of 3819066445889 is 9885446609183.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3182887924225 + 636178521664 = 1784065^2 + 797608^2 .

It is a cyclic number.

It is not a de Polignac number, because 3819066445889 - 2⁸ = 3819066445633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3819066445829) 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 3 ways as a sum of consecutive naturals, for example, 85099184 + ... + 85144049.

It is an arithmetic number, because the mean of its divisors is an integer number (954809177889).

Almost surely, 2^{3819066445889} is an apocalyptic number.

It is an amenable number.

3819066445889 is a deficient number, since it is larger than the sum of its proper divisors (170265667).

3819066445889 is a wasteful number, since it uses less digits than its factorization.

3819066445889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170265666.

The product of its (nonzero) digits is 358318080, while the sum is 71.

The spelling of 3819066445889 in words is "three trillion, eight hundred nineteen billion, sixty-six million, four hundred forty-five thousand, eight hundred eighty-nine".