44403103421 has 4 divisors (see below), whose sum is σ = 44409646812. Its totient is φ = 44396560032.

The previous prime is 44403103411. The next prime is 44403103447. The reversal of 44403103421 is 12430130444.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4790162521 + 39612940900 = 69211^2 + 199030^2 .

It is a cyclic number.

It is not a de Polignac number, because 44403103421 - 2⁶ = 44403103357 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 (44403103411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3261506 + ... + 3275091.

It is an arithmetic number, because the mean of its divisors is an integer number (11102411703).

Almost surely, 2^44403103421 is an apocalyptic number.

It is an amenable number.

44403103421 is a deficient number, since it is larger than the sum of its proper divisors (6543391).

44403103421 is an equidigital number, since it uses as much as digits as its factorization.

44403103421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6543390.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 44403103421 its reverse (12430130444), we get a palindrome (56833233865).

The spelling of 44403103421 in words is "forty-four billion, four hundred three million, one hundred three thousand, four hundred twenty-one".