2478244159 has 2 divisors, whose sum is σ = 2478244160. Its totient is φ = 2478244158.

The previous prime is 2478244151. The next prime is 2478244189. The reversal of 2478244159 is 9514428742.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2478244159 - 2³ = 2478244151 is a prime.

It is a super-2 number, since 2×2478244159² = 12283388223235234562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2478244151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239122079 + 1239122080.

It is an arithmetic number, because the mean of its divisors is an integer number (1239122080).

Almost surely, 2^2478244159 is an apocalyptic number.

2478244159 is a deficient number, since it is larger than the sum of its proper divisors (1).

2478244159 is an equidigital number, since it uses as much as digits as its factorization.

2478244159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 46.

The square root of 2478244159 is about 49781.9662026321. The cubic root of 2478244159 is about 1353.2603699666.

The spelling of 2478244159 in words is "two billion, four hundred seventy-eight million, two hundred forty-four thousand, one hundred fifty-nine".