2194828793 has 2 divisors, whose sum is σ = 2194828794. Its totient is φ = 2194828792.

The previous prime is 2194828787. The next prime is 2194828817. The reversal of 2194828793 is 3978284912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2049553984 + 145274809 = 45272^2 + 12053^2 .

It is a cyclic number.

It is not a de Polignac number, because 2194828793 - 2⁴ = 2194828777 is a prime.

It is not a weakly prime, because it can be changed into another prime (2194828763) 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, 1097414396 + 1097414397.

It is an arithmetic number, because the mean of its divisors is an integer number (1097414397).

Almost surely, 2^2194828793 is an apocalyptic number.

It is an amenable number.

2194828793 is a deficient number, since it is larger than the sum of its proper divisors (1).

2194828793 is an equidigital number, since it uses as much as digits as its factorization.

2194828793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 53.

The square root of 2194828793 is about 46848.9999146193. Note that the first 4 decimals coincide. The cubic root of 2194828793 is about 1299.5716128931.

The spelling of 2194828793 in words is "two billion, one hundred ninety-four million, eight hundred twenty-eight thousand, seven hundred ninety-three".