44121004243 has 4 divisors (see below), whose sum is σ = 44122608160. Its totient is φ = 44119400328.

The previous prime is 44121004241. The next prime is 44121004253. The reversal of 44121004243 is 34240012144.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44121004243 - 2¹ = 44121004241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44121004241) 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, 759963 + ... + 815956.

It is an arithmetic number, because the mean of its divisors is an integer number (11030652040).

Almost surely, 2^44121004243 is an apocalyptic number.

44121004243 is a deficient number, since it is larger than the sum of its proper divisors (1603917).

44121004243 is a wasteful number, since it uses less digits than its factorization.

44121004243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603916.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 44121004243 its reverse (34240012144), we get a palindrome (78361016387).

The spelling of 44121004243 in words is "forty-four billion, one hundred twenty-one million, four thousand, two hundred forty-three".