89651272323029 has 2 divisors, whose sum is σ = 89651272323030. Its totient is φ = 89651272323028.

The previous prime is 89651272322951. The next prime is 89651272323113. The reversal of 89651272323029 is 92032327215698.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89566822800625 + 84449522404 = 9463975^2 + 290602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89651272323029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89651272323829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44825636161514 + 44825636161515.

It is an arithmetic number, because the mean of its divisors is an integer number (44825636161515).

Almost surely, 2^{89651272323029} is an apocalyptic number.

It is an amenable number.

89651272323029 is a deficient number, since it is larger than the sum of its proper divisors (1).

89651272323029 is an equidigital number, since it uses as much as digits as its factorization.

89651272323029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 89651272323029 in words is "eighty-nine trillion, six hundred fifty-one billion, two hundred seventy-two million, three hundred twenty-three thousand, twenty-nine".