2171652983 has 4 divisors (see below), whose sum is σ = 2201401728. Its totient is φ = 2141904240.

The previous prime is 2171652979. The next prime is 2171652997. The reversal of 2171652983 is 3892561712.

2171652983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2171652983 - 2² = 2171652979 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 (2171652953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14874263 + ... + 14874408.

It is an arithmetic number, because the mean of its divisors is an integer number (550350432).

Almost surely, 2^2171652983 is an apocalyptic number.

2171652983 is a deficient number, since it is larger than the sum of its proper divisors (29748745).

2171652983 is an equidigital number, since it uses as much as digits as its factorization.

2171652983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29748744.

The product of its digits is 181440, while the sum is 44.

The square root of 2171652983 is about 46600.9976609943. The cubic root of 2171652983 is about 1294.9812379327.

The spelling of 2171652983 in words is "two billion, one hundred seventy-one million, six hundred fifty-two thousand, nine hundred eighty-three".