89442316853 has 2 divisors, whose sum is σ = 89442316854. Its totient is φ = 89442316852.

The previous prime is 89442316759. The next prime is 89442316871. The reversal of 89442316853 is 35861324498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49407509284 + 40034807569 = 222278^2 + 200087^2 .

It is a cyclic number.

It is not a de Polignac number, because 89442316853 - 2²⁰ = 89441268277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89442316795 and 89442316804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89442316153) 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, 44721158426 + 44721158427.

It is an arithmetic number, because the mean of its divisors is an integer number (44721158427).

Almost surely, 2^89442316853 is an apocalyptic number.

It is an amenable number.

89442316853 is a deficient number, since it is larger than the sum of its proper divisors (1).

89442316853 is an equidigital number, since it uses as much as digits as its factorization.

89442316853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 53.

The spelling of 89442316853 in words is "eighty-nine billion, four hundred forty-two million, three hundred sixteen thousand, eight hundred fifty-three".