4569981244221 has 4 divisors (see below), whose sum is σ = 6093308325632. Its totient is φ = 3046654162812.

The previous prime is 4569981244211. The next prime is 4569981244267. The reversal of 4569981244221 is 1224421899654.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4569981244221 - 2⁵ = 4569981244189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4569981244201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761663540701 + ... + 761663540706.

It is an arithmetic number, because the mean of its divisors is an integer number (1523327081408).

Almost surely, 2^{4569981244221} is an apocalyptic number.

It is an amenable number.

4569981244221 is a deficient number, since it is larger than the sum of its proper divisors (1523327081411).

4569981244221 is a wasteful number, since it uses less digits than its factorization.

4569981244221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523327081410.

The product of its digits is 9953280, while the sum is 57.

The spelling of 4569981244221 in words is "four trillion, five hundred sixty-nine billion, nine hundred eighty-one million, two hundred forty-four thousand, two hundred twenty-one".