44343665693 has 2 divisors, whose sum is σ = 44343665694. Its totient is φ = 44343665692.

The previous prime is 44343665659. The next prime is 44343665701. The reversal of 44343665693 is 39656634344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42546075289 + 1797590404 = 206267^2 + 42398^2 .

It is a cyclic number.

It is not a de Polignac number, because 44343665693 - 2⁶ = 44343665629 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44343665393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22171832846 + 22171832847.

It is an arithmetic number, because the mean of its divisors is an integer number (22171832847).

Almost surely, 2^44343665693 is an apocalyptic number.

It is an amenable number.

44343665693 is a deficient number, since it is larger than the sum of its proper divisors (1).

44343665693 is an equidigital number, since it uses as much as digits as its factorization.

44343665693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16796160, while the sum is 53.

The spelling of 44343665693 in words is "forty-four billion, three hundred forty-three million, six hundred sixty-five thousand, six hundred ninety-three".