2094347319689 has 2 divisors, whose sum is σ = 2094347319690. Its totient is φ = 2094347319688.

The previous prime is 2094347319653. The next prime is 2094347319721. The reversal of 2094347319689 is 9869137434902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1985788272400 + 108559047289 = 1409180^2 + 329483^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2094347319689 is a prime.

It is not a weakly prime, because it can be changed into another prime (2094347319989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1047173659844 + 1047173659845.

It is an arithmetic number, because the mean of its divisors is an integer number (1047173659845).

Almost surely, 2^{2094347319689} is an apocalyptic number.

It is an amenable number.

2094347319689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2094347319689 is an equidigital number, since it uses as much as digits as its factorization.

2094347319689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70543872, while the sum is 65.

The spelling of 2094347319689 in words is "two trillion, ninety-four billion, three hundred forty-seven million, three hundred nineteen thousand, six hundred eighty-nine".