2171719683 has 12 divisors (see below), whose sum is σ = 3585061168. Its totient is φ = 1240982640.

The previous prime is 2171719673. The next prime is 2171719691. The reversal of 2171719683 is 3869171712.

It is not a de Polignac number, because 2171719683 - 2⁸ = 2171719427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2171719633) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 17235808 + ... + 17235933.

Almost surely, 2^2171719683 is an apocalyptic number.

2171719683 is a deficient number, since it is larger than the sum of its proper divisors (1413341485).

2171719683 is a wasteful number, since it uses less digits than its factorization.

2171719683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34471754 (or 34471751 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 2171719683 is about 46601.7133054140. The cubic root of 2171719683 is about 1294.9944957852.

The spelling of 2171719683 in words is "two billion, one hundred seventy-one million, seven hundred nineteen thousand, six hundred eighty-three".