72044102163533 has 2 divisors, whose sum is σ = 72044102163534. Its totient is φ = 72044102163532.

The previous prime is 72044102163529. The next prime is 72044102163559. The reversal of 72044102163533 is 33536120144027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42825990840649 + 29218111322884 = 6544157^2 + 5405378^2 .

It is a cyclic number.

It is not a de Polignac number, because 72044102163533 - 2² = 72044102163529 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72044102163233) 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, 36022051081766 + 36022051081767.

It is an arithmetic number, because the mean of its divisors is an integer number (36022051081767).

Almost surely, 2^{72044102163533} is an apocalyptic number.

It is an amenable number.

72044102163533 is a deficient number, since it is larger than the sum of its proper divisors (1).

72044102163533 is an equidigital number, since it uses as much as digits as its factorization.

72044102163533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 72044102163533 in words is "seventy-two trillion, forty-four billion, one hundred two million, one hundred sixty-three thousand, five hundred thirty-three".