44421013343 has 4 divisors (see below), whose sum is σ = 50766872400. Its totient is φ = 38075154288.

The previous prime is 44421013337. The next prime is 44421013423. The reversal of 44421013343 is 34331012444.

It is a happy number.

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 44421013343 - 2⁶ = 44421013279 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 (44421019343) 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, 3172929518 + ... + 3172929531.

It is an arithmetic number, because the mean of its divisors is an integer number (12691718100).

Almost surely, 2^44421013343 is an apocalyptic number.

44421013343 is a deficient number, since it is larger than the sum of its proper divisors (6345859057).

44421013343 is an equidigital number, since it uses as much as digits as its factorization.

44421013343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6345859056.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 44421013343 its reverse (34331012444), we get a palindrome (78752025787).

It can be divided in two parts, 4442101 and 3343, that added together give a palindrome (4445444).

The spelling of 44421013343 in words is "forty-four billion, four hundred twenty-one million, thirteen thousand, three hundred forty-three".