4244417621 has 8 divisors (see below), whose sum is σ = 4352074944. Its totient is φ = 4136957280.

The previous prime is 4244417549. The next prime is 4244417623. The reversal of 4244417621 is 1267144424.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4244417621 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 (4244417623) 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, 5111 + ... + 92276.

It is an arithmetic number, because the mean of its divisors is an integer number (544009368).

Almost surely, 2^4244417621 is an apocalyptic number.

4244417621 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4244417621 is a deficient number, since it is larger than the sum of its proper divisors (107657323).

4244417621 is a wasteful number, since it uses less digits than its factorization.

4244417621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98491.

The product of its digits is 43008, while the sum is 35.

The square root of 4244417621 is about 65149.1950909603. The cubic root of 4244417621 is about 1619.0963843729.

The spelling of 4244417621 in words is "four billion, two hundred forty-four million, four hundred seventeen thousand, six hundred twenty-one".