4244869721 has 8 divisors (see below), whose sum is σ = 4265966400. Its totient is φ = 4223795760.

The previous prime is 4244869669. The next prime is 4244869729. The reversal of 4244869721 is 1279684424.

4244869721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4244869721 - 2²⁶ = 4177760857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4244869729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462386 + ... + 471476.

It is an arithmetic number, because the mean of its divisors is an integer number (533245800).

Almost surely, 2^4244869721 is an apocalyptic number.

It is an amenable number.

4244869721 is a deficient number, since it is larger than the sum of its proper divisors (21096679).

4244869721 is a wasteful number, since it uses less digits than its factorization.

4244869721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11359.

The product of its digits is 774144, while the sum is 47.

The square root of 4244869721 is about 65152.6647267784. The cubic root of 4244869721 is about 1619.1538690938.

The spelling of 4244869721 in words is "four billion, two hundred forty-four million, eight hundred sixty-nine thousand, seven hundred twenty-one".