2084171389 has 32 divisors (see below), whose sum is σ = 2373943680. Its totient is φ = 1817966592.

The previous prime is 2084171387. The next prime is 2084171413. The reversal of 2084171389 is 9831714802.

It is a cyclic number.

It is not a de Polignac number, because 2084171389 - 2¹ = 2084171387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2084171387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3701622 + ... + 3702184.

It is an arithmetic number, because the mean of its divisors is an integer number (74185740).

Almost surely, 2^2084171389 is an apocalyptic number.

It is an amenable number.

2084171389 is a deficient number, since it is larger than the sum of its proper divisors (289772291).

2084171389 is a wasteful number, since it uses less digits than its factorization.

2084171389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 2084171389 is about 45652.7259755647. The cubic root of 2084171389 is about 1277.3536203541.

The spelling of 2084171389 in words is "two billion, eighty-four million, one hundred seventy-one thousand, three hundred eighty-nine".