2254143209 has 2 divisors, whose sum is σ = 2254143210. Its totient is φ = 2254143208.

The previous prime is 2254143167. The next prime is 2254143257. The reversal of 2254143209 is 9023414522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2054627584 + 199515625 = 45328^2 + 14125^2 .

It is a cyclic number.

It is not a de Polignac number, because 2254143209 - 2⁸ = 2254142953 is a prime.

It is not a weakly prime, because it can be changed into another prime (2254143259) 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, 1127071604 + 1127071605.

It is an arithmetic number, because the mean of its divisors is an integer number (1127071605).

Almost surely, 2^2254143209 is an apocalyptic number.

It is an amenable number.

2254143209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2254143209 is an equidigital number, since it uses as much as digits as its factorization.

2254143209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2254143209 is about 47477.8180732855. The cubic root of 2254143209 is about 1311.1745208996.

The spelling of 2254143209 in words is "two billion, two hundred fifty-four million, one hundred forty-three thousand, two hundred nine".