34045321243 has 2 divisors, whose sum is σ = 34045321244. Its totient is φ = 34045321242.

The previous prime is 34045321231. The next prime is 34045321253. The reversal of 34045321243 is 34212354043.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34045321243 - 2¹³ = 34045313051 is a prime.

It is not a weakly prime, because it can be changed into another prime (34045321223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17022660621 + 17022660622.

It is an arithmetic number, because the mean of its divisors is an integer number (17022660622).

Almost surely, 2^34045321243 is an apocalyptic number.

34045321243 is a deficient number, since it is larger than the sum of its proper divisors (1).

34045321243 is an equidigital number, since it uses as much as digits as its factorization.

34045321243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 34045321243 its reverse (34212354043), we get a palindrome (68257675286).

The spelling of 34045321243 in words is "thirty-four billion, forty-five million, three hundred twenty-one thousand, two hundred forty-three".