44421332413 has 4 divisors (see below), whose sum is σ = 44983627840. Its totient is φ = 43859036988.

The previous prime is 44421332393. The next prime is 44421332441. The reversal of 44421332413 is 31423312444.

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 a cyclic number.

It is not a de Polignac number, because 44421332413 - 2⁵ = 44421332381 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 (44421332443) 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, 281147595 + ... + 281147752.

It is an arithmetic number, because the mean of its divisors is an integer number (11245906960).

Almost surely, 2^44421332413 is an apocalyptic number.

It is an amenable number.

44421332413 is a deficient number, since it is larger than the sum of its proper divisors (562295427).

44421332413 is an equidigital number, since it uses as much as digits as its factorization.

44421332413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562295426.

The product of its digits is 27648, while the sum is 31.

Adding to 44421332413 its reverse (31423312444), we get a palindrome (75844644857).

The spelling of 44421332413 in words is "forty-four billion, four hundred twenty-one million, three hundred thirty-two thousand, four hundred thirteen".