234364505989 has 2 divisors, whose sum is σ = 234364505990. Its totient is φ = 234364505988.

The previous prime is 234364505957. The next prime is 234364506041. The reversal of 234364505989 is 989505463432.

234364505989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233619488964 + 745017025 = 483342^2 + 27295^2 .

It is a cyclic number.

It is not a de Polignac number, because 234364505989 - 2⁵ = 234364505957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234364505909) 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, 117182252994 + 117182252995.

It is an arithmetic number, because the mean of its divisors is an integer number (117182252995).

Almost surely, 2^234364505989 is an apocalyptic number.

It is an amenable number.

234364505989 is a deficient number, since it is larger than the sum of its proper divisors (1).

234364505989 is an equidigital number, since it uses as much as digits as its factorization.

234364505989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27993600, while the sum is 58.

The spelling of 234364505989 in words is "two hundred thirty-four billion, three hundred sixty-four million, five hundred five thousand, nine hundred eighty-nine".