2194266629 has 2 divisors, whose sum is σ = 2194266630. Its totient is φ = 2194266628.

The previous prime is 2194266593. The next prime is 2194266689. The reversal of 2194266629 is 9266624912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1669948225 + 524318404 = 40865^2 + 22898^2 .

It is a cyclic number.

It is not a de Polignac number, because 2194266629 - 2¹² = 2194262533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2194266689) 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, 1097133314 + 1097133315.

It is an arithmetic number, because the mean of its divisors is an integer number (1097133315).

Almost surely, 2^2194266629 is an apocalyptic number.

It is an amenable number.

2194266629 is a deficient number, since it is larger than the sum of its proper divisors (1).

2194266629 is an equidigital number, since it uses as much as digits as its factorization.

2194266629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 47.

The square root of 2194266629 is about 46842.9997865209. Note that the first 3 decimals coincide. The cubic root of 2194266629 is about 1299.4606498328.

The spelling of 2194266629 in words is "two billion, one hundred ninety-four million, two hundred sixty-six thousand, six hundred twenty-nine".