2243161399 has 2 divisors, whose sum is σ = 2243161400. Its totient is φ = 2243161398.

The previous prime is 2243161379. The next prime is 2243161409. The reversal of 2243161399 is 9931613422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2243161399 - 2¹³ = 2243153207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2243161309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121580699 + 1121580700.

It is an arithmetic number, because the mean of its divisors is an integer number (1121580700).

Almost surely, 2^2243161399 is an apocalyptic number.

2243161399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243161399 is an equidigital number, since it uses as much as digits as its factorization.

2243161399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 2243161399 is about 47362.0248616970. The cubic root of 2243161399 is about 1309.0417791123.

The spelling of 2243161399 in words is "two billion, two hundred forty-three million, one hundred sixty-one thousand, three hundred ninety-nine".