2254644439 has 2 divisors, whose sum is σ = 2254644440. Its totient is φ = 2254644438.

The previous prime is 2254644421. The next prime is 2254644463. The reversal of 2254644439 is 9344464522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2254644439 - 2¹⁷ = 2254513367 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2254644395 and 2254644404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2254654439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127322219 + 1127322220.

It is an arithmetic number, because the mean of its divisors is an integer number (1127322220).

Almost surely, 2^2254644439 is an apocalyptic number.

2254644439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2254644439 is an equidigital number, since it uses as much as digits as its factorization.

2254644439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 43.

The square root of 2254644439 is about 47483.0963501750. The cubic root of 2254644439 is about 1311.2716977038.

The spelling of 2254644439 in words is "two billion, two hundred fifty-four million, six hundred forty-four thousand, four hundred thirty-nine".