4298244721 has 9 divisors (see below), whose sum is σ = 4384418241. Its totient is φ = 4213736592.

The previous prime is 4298244703. The next prime is 4298244751. The reversal of 4298244721 is 1274428924.

The square root of 4298244721 is 65561.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 975875121 + 3322369600 = 31239^2 + 57640^2 .

It is not a de Polignac number, because 4298244721 - 2⁵ = 4298244689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4298244751) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3474115 + ... + 3475351.

Almost surely, 2^4298244721 is an apocalyptic number.

4298244721 is the 65561-st square number.

4298244721 is the 32781-st centered octagonal number.

It is an amenable number.

4298244721 is a deficient number, since it is larger than the sum of its proper divisors (86173520).

4298244721 is an frugal number, since it uses more digits than its factorization.

4298244721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580 (or 1290 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The cubic root of 4298244721 is about 1625.9120366282.

The spelling of 4298244721 in words is "four billion, two hundred ninety-eight million, two hundred forty-four thousand, seven hundred twenty-one".