34573842389 has 2 divisors, whose sum is σ = 34573842390. Its totient is φ = 34573842388.

The previous prime is 34573842383. The next prime is 34573842437. The reversal of 34573842389 is 98324837543.

34573842389 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., 23772397489 + 10801444900 = 154183^2 + 103930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34573842389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34573842383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17286921194 + 17286921195.

It is an arithmetic number, because the mean of its divisors is an integer number (17286921195).

Almost surely, 2^34573842389 is an apocalyptic number.

It is an amenable number.

34573842389 is a deficient number, since it is larger than the sum of its proper divisors (1).

34573842389 is an equidigital number, since it uses as much as digits as its factorization.

34573842389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17418240, while the sum is 56.

The spelling of 34573842389 in words is "thirty-four billion, five hundred seventy-three million, eight hundred forty-two thousand, three hundred eighty-nine".