2559179489 has 2 divisors, whose sum is σ = 2559179490. Its totient is φ = 2559179488.

The previous prime is 2559179461. The next prime is 2559179551. The reversal of 2559179489 is 9849719552.

2559179489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2541873889 + 17305600 = 50417^2 + 4160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2559179489 is a prime.

It is a super-2 number, since 2×2559179489² = 13098799313836602242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2559179419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1279589744 + 1279589745.

It is an arithmetic number, because the mean of its divisors is an integer number (1279589745).

Almost surely, 2^2559179489 is an apocalyptic number.

It is an amenable number.

2559179489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2559179489 is an equidigital number, since it uses as much as digits as its factorization.

2559179489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 59.

The square root of 2559179489 is about 50588.3335266146. Note that the first 3 decimals coincide. The cubic root of 2559179489 is about 1367.8345902581.

The spelling of 2559179489 in words is "two billion, five hundred fifty-nine million, one hundred seventy-nine thousand, four hundred eighty-nine".