234547712989 has 4 divisors (see below), whose sum is σ = 234550344924. Its totient is φ = 234545081056.

The previous prime is 234547712963. The next prime is 234547713013. The reversal of 234547712989 is 989217745432.

234547712989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 122535002500 + 112012710489 = 350050^2 + 334683^2 .

It is a cyclic number.

It is not a de Polignac number, because 234547712989 - 2²³ = 234539324381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234547712389) 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 in 3 ways as a sum of consecutive naturals, for example, 1177432 + ... + 1362145.

It is an arithmetic number, because the mean of its divisors is an integer number (58637586231).

Almost surely, 2^234547712989 is an apocalyptic number.

It is an amenable number.

234547712989 is a deficient number, since it is larger than the sum of its proper divisors (2631935).

234547712989 is an equidigital number, since it uses as much as digits as its factorization.

234547712989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631934.

The product of its digits is 30481920, while the sum is 61.

The spelling of 234547712989 in words is "two hundred thirty-four billion, five hundred forty-seven million, seven hundred twelve thousand, nine hundred eighty-nine".