2194044269773 has 2 divisors, whose sum is σ = 2194044269774. Its totient is φ = 2194044269772.

The previous prime is 2194044269653. The next prime is 2194044269821. The reversal of 2194044269773 is 3779624404912.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1676706445129 + 517337824644 = 1294877^2 + 719262^2 .

It is a cyclic number.

It is not a de Polignac number, because 2194044269773 - 2¹⁷ = 2194044138701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2194044263773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097022134886 + 1097022134887.

It is an arithmetic number, because the mean of its divisors is an integer number (1097022134887).

Almost surely, 2^{2194044269773} is an apocalyptic number.

It is an amenable number.

2194044269773 is a deficient number, since it is larger than the sum of its proper divisors (1).

2194044269773 is an equidigital number, since it uses as much as digits as its factorization.

2194044269773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 2194044269773 in words is "two trillion, one hundred ninety-four billion, forty-four million, two hundred sixty-nine thousand, seven hundred seventy-three".