89152818493 has 2 divisors, whose sum is σ = 89152818494. Its totient is φ = 89152818492.

The previous prime is 89152818413. The next prime is 89152818529. The reversal of 89152818493 is 39481825198.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75965281924 + 13187536569 = 275618^2 + 114837^2 .

It is a cyclic number.

It is not a de Polignac number, because 89152818493 - 2⁹ = 89152817981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89152818413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44576409246 + 44576409247.

It is an arithmetic number, because the mean of its divisors is an integer number (44576409247).

Almost surely, 2^89152818493 is an apocalyptic number.

It is an amenable number.

89152818493 is a deficient number, since it is larger than the sum of its proper divisors (1).

89152818493 is an equidigital number, since it uses as much as digits as its factorization.

89152818493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4976640, while the sum is 58.

The spelling of 89152818493 in words is "eighty-nine billion, one hundred fifty-two million, eight hundred eighteen thousand, four hundred ninety-three".