2173719086 has 48 divisors (see below), whose sum is σ = 4151434032. Its totient is φ = 844099200.

The previous prime is 2173719077. The next prime is 2173719109. The reversal of 2173719086 is 6809173712.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338546 + ... + 344906.

It is an arithmetic number, because the mean of its divisors is an integer number (86488209).

Almost surely, 2^2173719086 is an apocalyptic number.

2173719086 is a deficient number, since it is larger than the sum of its proper divisors (1977714946).

2173719086 is a wasteful number, since it uses less digits than its factorization.

2173719086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6705 (or 6698 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 2173719086 is about 46623.1604033875. The cubic root of 2173719086 is about 1295.3917879580.

The spelling of 2173719086 in words is "two billion, one hundred seventy-three million, seven hundred nineteen thousand, eighty-six".