2441971721 has 8 divisors (see below), whose sum is σ = 2801945664. Its totient is φ = 2084778000.

The previous prime is 2441971673. The next prime is 2441971723. The reversal of 2441971721 is 1271791442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2441971721 - 2²² = 2437777417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2441971723) 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 7 ways as a sum of consecutive naturals, for example, 693170 + ... + 696683.

It is an arithmetic number, because the mean of its divisors is an integer number (350243208).

Almost surely, 2^2441971721 is an apocalyptic number.

It is an amenable number.

2441971721 is a deficient number, since it is larger than the sum of its proper divisors (359973943).

2441971721 is a wasteful number, since it uses less digits than its factorization.

2441971721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390111.

The product of its digits is 28224, while the sum is 38.

The square root of 2441971721 is about 49416.3102730263. The cubic root of 2441971721 is about 1346.6256323136.

The spelling of 2441971721 in words is "two billion, four hundred forty-one million, nine hundred seventy-one thousand, seven hundred twenty-one".