44444417573 has 2 divisors, whose sum is σ = 44444417574. Its totient is φ = 44444417572.

The previous prime is 44444417569. The next prime is 44444417617. The reversal of 44444417573 is 37571444444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27896682529 + 16547735044 = 167023^2 + 128638^2 .

It is a cyclic number.

It is not a de Polignac number, because 44444417573 - 2² = 44444417569 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44444417513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22222208786 + 22222208787.

It is an arithmetic number, because the mean of its divisors is an integer number (22222208787).

Almost surely, 2^44444417573 is an apocalyptic number.

It is an amenable number.

44444417573 is a deficient number, since it is larger than the sum of its proper divisors (1).

44444417573 is an equidigital number, since it uses as much as digits as its factorization.

44444417573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3010560, while the sum is 47.

The spelling of 44444417573 in words is "forty-four billion, four hundred forty-four million, four hundred seventeen thousand, five hundred seventy-three".