2234394569809 has 2 divisors, whose sum is σ = 2234394569810. Its totient is φ = 2234394569808.

The previous prime is 2234394569807. The next prime is 2234394569821. The reversal of 2234394569809 is 9089654934322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1999828707409 + 234565862400 = 1414153^2 + 484320^2 .

It is a cyclic number.

It is not a de Polignac number, because 2234394569809 - 2¹ = 2234394569807 is a prime.

Together with 2234394569807, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2234394569807) 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, 1117197284904 + 1117197284905.

It is an arithmetic number, because the mean of its divisors is an integer number (1117197284905).

Almost surely, 2^{2234394569809} is an apocalyptic number.

It is an amenable number.

2234394569809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2234394569809 is an equidigital number, since it uses as much as digits as its factorization.

2234394569809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100776960, while the sum is 64.

The spelling of 2234394569809 in words is "two trillion, two hundred thirty-four billion, three hundred ninety-four million, five hundred sixty-nine thousand, eight hundred nine".