32444557272073 has 2 divisors, whose sum is σ = 32444557272074. Its totient is φ = 32444557272072.

The previous prime is 32444557272019. The next prime is 32444557272097. The reversal of 32444557272073 is 37027275544423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25032730705984 + 7411826566089 = 5003272^2 + 2722467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32444557272073 is a prime.

It is not a weakly prime, because it can be changed into another prime (32444557272373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16222278636036 + 16222278636037.

It is an arithmetic number, because the mean of its divisors is an integer number (16222278636037).

Almost surely, 2^{32444557272073} is an apocalyptic number.

It is an amenable number.

32444557272073 is a deficient number, since it is larger than the sum of its proper divisors (1).

32444557272073 is an equidigital number, since it uses as much as digits as its factorization.

32444557272073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39513600, while the sum is 55.

The spelling of 32444557272073 in words is "thirty-two trillion, four hundred forty-four billion, five hundred fifty-seven million, two hundred seventy-two thousand, seventy-three".