2094505973849 has 2 divisors, whose sum is σ = 2094505973850. Its totient is φ = 2094505973848.

The previous prime is 2094505973771. The next prime is 2094505973873. The reversal of 2094505973849 is 9483795054902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1326429013849 + 768076960000 = 1151707^2 + 876400^2 .

It is a cyclic number.

It is not a de Polignac number, because 2094505973849 - 2²⁰ = 2094504925273 is a prime.

It is not a weakly prime, because it can be changed into another prime (2094505913849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1047252986924 + 1047252986925.

It is an arithmetic number, because the mean of its divisors is an integer number (1047252986925).

Almost surely, 2^{2094505973849} is an apocalyptic number.

It is an amenable number.

2094505973849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2094505973849 is an equidigital number, since it uses as much as digits as its factorization.

2094505973849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97977600, while the sum is 65.

The spelling of 2094505973849 in words is "two trillion, ninety-four billion, five hundred five million, nine hundred seventy-three thousand, eight hundred forty-nine".