44523649921 has 8 divisors (see below), whose sum is σ = 45621360288. Its totient is φ = 43426500000.

The previous prime is 44523649909. The next prime is 44523649969. The reversal of 44523649921 is 12994632544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44523649921 - 2¹¹ = 44523647873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44523649321) 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 7 ways as a sum of consecutive naturals, for example, 23046 + ... + 299296.

It is an arithmetic number, because the mean of its divisors is an integer number (5702670036).

Almost surely, 2^44523649921 is an apocalyptic number.

44523649921 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

44523649921 is a deficient number, since it is larger than the sum of its proper divisors (1097710367).

44523649921 is a wasteful number, since it uses less digits than its factorization.

44523649921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280223.

The product of its digits is 1866240, while the sum is 49.

The spelling of 44523649921 in words is "forty-four billion, five hundred twenty-three million, six hundred forty-nine thousand, nine hundred twenty-one".