89173062193 has 2 divisors, whose sum is σ = 89173062194. Its totient is φ = 89173062192.

The previous prime is 89173062137. The next prime is 89173062239. The reversal of 89173062193 is 39126037198.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88582426384 + 590635809 = 297628^2 + 24303^2 .

It is a cyclic number.

It is not a de Polignac number, because 89173062193 - 2²⁵ = 89139507761 is a prime.

It is not a weakly prime, because it can be changed into another prime (89173062593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44586531096 + 44586531097.

It is an arithmetic number, because the mean of its divisors is an integer number (44586531097).

Almost surely, 2^89173062193 is an apocalyptic number.

It is an amenable number.

89173062193 is a deficient number, since it is larger than the sum of its proper divisors (1).

89173062193 is an equidigital number, since it uses as much as digits as its factorization.

89173062193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 89173062193 in words is "eighty-nine billion, one hundred seventy-three million, sixty-two thousand, one hundred ninety-three".