233740634189 has 2 divisors, whose sum is σ = 233740634190. Its totient is φ = 233740634188.

The previous prime is 233740634059. The next prime is 233740634191. The reversal of 233740634189 is 981436047332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145052816164 + 88687818025 = 380858^2 + 297805^2 .

It is a cyclic number.

It is not a de Polignac number, because 233740634189 - 2⁸ = 233740633933 is a prime.

Together with 233740634191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233749634189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116870317094 + 116870317095.

It is an arithmetic number, because the mean of its divisors is an integer number (116870317095).

Almost surely, 2^233740634189 is an apocalyptic number.

It is an amenable number.

233740634189 is a deficient number, since it is larger than the sum of its proper divisors (1).

233740634189 is an equidigital number, since it uses as much as digits as its factorization.

233740634189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 233740634189 in words is "two hundred thirty-three billion, seven hundred forty million, six hundred thirty-four thousand, one hundred eighty-nine".