2194449001 has 2 divisors, whose sum is σ = 2194449002. Its totient is φ = 2194449000.

The previous prime is 2194448959. The next prime is 2194449013. The reversal of 2194449001 is 1009444912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1556381401 + 638067600 = 39451^2 + 25260^2 .

It is a cyclic number.

It is not a de Polignac number, because 2194449001 - 2¹⁷ = 2194317929 is a prime.

It is not a weakly prime, because it can be changed into another prime (2194449041) 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, 1097224500 + 1097224501.

It is an arithmetic number, because the mean of its divisors is an integer number (1097224501).

Almost surely, 2^2194449001 is an apocalyptic number.

It is an amenable number.

2194449001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2194449001 is an equidigital number, since it uses as much as digits as its factorization.

2194449001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2194449001 is about 46844.9463763168. The cubic root of 2194449001 is about 1299.4966495102.

The spelling of 2194449001 in words is "two billion, one hundred ninety-four million, four hundred forty-nine thousand, one".