44373744487573 has 2 divisors, whose sum is σ = 44373744487574. Its totient is φ = 44373744487572.

The previous prime is 44373744487529. The next prime is 44373744487577. The reversal of 44373744487573 is 37578444737344.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36474086626884 + 7899657860689 = 6039378^2 + 2810633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44373744487573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44373744487577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22186872243786 + 22186872243787.

It is an arithmetic number, because the mean of its divisors is an integer number (22186872243787).

Almost surely, 2^{44373744487573} is an apocalyptic number.

It is an amenable number.

44373744487573 is a deficient number, since it is larger than the sum of its proper divisors (1).

44373744487573 is an equidigital number, since it uses as much as digits as its factorization.

44373744487573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2655313920, while the sum is 70.

The spelling of 44373744487573 in words is "forty-four trillion, three hundred seventy-three billion, seven hundred forty-four million, four hundred eighty-seven thousand, five hundred seventy-three".