44012516573 has 4 divisors (see below), whose sum is σ = 44842941468. Its totient is φ = 43182091680.

The previous prime is 44012516567. The next prime is 44012516629. The reversal of 44012516573 is 37561521044.

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 28161202969 + 15851313604 = 167813^2 + 125902^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44012516573 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 (44012516773) 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, 415212368 + ... + 415212473.

It is an arithmetic number, because the mean of its divisors is an integer number (11210735367).

Almost surely, 2^44012516573 is an apocalyptic number.

It is an amenable number.

44012516573 is a deficient number, since it is larger than the sum of its proper divisors (830424895).

44012516573 is an equidigital number, since it uses as much as digits as its factorization.

44012516573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830424894.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 44012516573 in words is "forty-four billion, twelve million, five hundred sixteen thousand, five hundred seventy-three".