4170921983 has 4 divisors (see below), whose sum is σ = 4171217400. Its totient is φ = 4170626568.

The previous prime is 4170921949. The next prime is 4170921991. The reversal of 4170921983 is 3891290714.

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 4170921983 - 2²⁴ = 4154144767 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 (4170921383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125408 + ... + 155141.

It is an arithmetic number, because the mean of its divisors is an integer number (1042804350).

Almost surely, 2^4170921983 is an apocalyptic number.

4170921983 is a deficient number, since it is larger than the sum of its proper divisors (295417).

4170921983 is a wasteful number, since it uses less digits than its factorization.

4170921983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295416.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 4170921983 is about 64582.6755639622. The cubic root of 4170921983 is about 1609.6965829982.

The spelling of 4170921983 in words is "four billion, one hundred seventy million, nine hundred twenty-one thousand, nine hundred eighty-three".