2194845313 has 2 divisors, whose sum is σ = 2194845314. Its totient is φ = 2194845312.

The previous prime is 2194845307. The next prime is 2194845319. The reversal of 2194845313 is 3135484912.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2194845307) and next prime (2194845319).

It can be written as a sum of positive squares in only one way, i.e., 1318270864 + 876574449 = 36308^2 + 29607^2 .

It is a cyclic number.

It is not a de Polignac number, because 2194845313 - 2⁵ = 2194845281 is a prime.

It is not a weakly prime, because it can be changed into another prime (2194845319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097422656 + 1097422657.

It is an arithmetic number, because the mean of its divisors is an integer number (1097422657).

Almost surely, 2^2194845313 is an apocalyptic number.

It is an amenable number.

2194845313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2194845313 is an equidigital number, since it uses as much as digits as its factorization.

2194845313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The square root of 2194845313 is about 46849.1762254151. The cubic root of 2194845313 is about 1299.5748734161.

The spelling of 2194845313 in words is "two billion, one hundred ninety-four million, eight hundred forty-five thousand, three hundred thirteen".