44709863573 has 2 divisors, whose sum is σ = 44709863574. Its totient is φ = 44709863572.

The previous prime is 44709863551. The next prime is 44709863579. The reversal of 44709863573 is 37536890744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23489240644 + 21220622929 = 153262^2 + 145673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44709863573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44709863579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22354931786 + 22354931787.

It is an arithmetic number, because the mean of its divisors is an integer number (22354931787).

Almost surely, 2^44709863573 is an apocalyptic number.

It is an amenable number.

44709863573 is a deficient number, since it is larger than the sum of its proper divisors (1).

44709863573 is an equidigital number, since it uses as much as digits as its factorization.

44709863573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15240960, while the sum is 56.

The spelling of 44709863573 in words is "forty-four billion, seven hundred nine million, eight hundred sixty-three thousand, five hundred seventy-three".