39044969573 has 2 divisors, whose sum is σ = 39044969574. Its totient is φ = 39044969572.

The previous prime is 39044969563. The next prime is 39044969617. The reversal of 39044969573 is 37596944093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38721581284 + 323388289 = 196778^2 + 17983^2 .

It is a cyclic number.

It is not a de Polignac number, because 39044969573 - 2²⁰ = 39043920997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39044969563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19522484786 + 19522484787.

It is an arithmetic number, because the mean of its divisors is an integer number (19522484787).

Almost surely, 2^39044969573 is an apocalyptic number.

It is an amenable number.

39044969573 is a deficient number, since it is larger than the sum of its proper divisors (1).

39044969573 is an equidigital number, since it uses as much as digits as its factorization.

39044969573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22044960, while the sum is 59.

The spelling of 39044969573 in words is "thirty-nine billion, forty-four million, nine hundred sixty-nine thousand, five hundred seventy-three".