3219085021839 has 16 divisors (see below), whose sum is σ = 4293817288704. Its totient is φ = 2145204908000.

The previous prime is 3219085021741. The next prime is 3219085021847. The reversal of 3219085021839 is 9381205809123.

3219085021839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3219085021839 - 2²³ = 3219076633231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3219085021791 and 3219085021800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3219085021849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87807637 + ... + 87844289.

It is an arithmetic number, because the mean of its divisors is an integer number (268363580544).

Almost surely, 2^{3219085021839} is an apocalyptic number.

3219085021839 is a deficient number, since it is larger than the sum of its proper divisors (1074732266865).

3219085021839 is a wasteful number, since it uses less digits than its factorization.

3219085021839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47478.

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 3219085021839 in words is "three trillion, two hundred nineteen billion, eighty-five million, twenty-one thousand, eight hundred thirty-nine".