229493958287389 has 2 divisors, whose sum is σ = 229493958287390. Its totient is φ = 229493958287388.

The previous prime is 229493958287357. The next prime is 229493958287411. The reversal of 229493958287389 is 983782859394922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229493958287364 + 25 = 15149058^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 229493958287389 - 2⁵ = 229493958287357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229493958282389) 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, 114746979143694 + 114746979143695.

It is an arithmetic number, because the mean of its divisors is an integer number (114746979143695).

Almost surely, 2^{229493958287389} is an apocalyptic number.

It is an amenable number.

229493958287389 is a deficient number, since it is larger than the sum of its proper divisors (1).

229493958287389 is an equidigital number, since it uses as much as digits as its factorization.

229493958287389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33861058560, while the sum is 88.

The spelling of 229493958287389 in words is "two hundred twenty-nine trillion, four hundred ninety-three billion, nine hundred fifty-eight million, two hundred eighty-seven thousand, three hundred eighty-nine".