2094309841549 has 2 divisors, whose sum is σ = 2094309841550. Its totient is φ = 2094309841548.

The previous prime is 2094309841453. The next prime is 2094309841579. The reversal of 2094309841549 is 9451489034902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1508212416649 + 586097424900 = 1228093^2 + 765570^2 .

It is a cyclic number.

It is not a de Polignac number, because 2094309841549 - 2¹⁷ = 2094309710477 is a prime.

It is a super-2 number, since 2×2094309841549² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2094309841493 and 2094309841502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2094309841579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1047154920774 + 1047154920775.

It is an arithmetic number, because the mean of its divisors is an integer number (1047154920775).

Almost surely, 2^{2094309841549} is an apocalyptic number.

It is an amenable number.

2094309841549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2094309841549 is an equidigital number, since it uses as much as digits as its factorization.

2094309841549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11197440, while the sum is 58.

The spelling of 2094309841549 in words is "two trillion, ninety-four billion, three hundred nine million, eight hundred forty-one thousand, five hundred forty-nine".