2558386979 has 2 divisors, whose sum is σ = 2558386980. Its totient is φ = 2558386978.

The previous prime is 2558386973. The next prime is 2558387011. The reversal of 2558386979 is 9796838552.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2558386979 is a prime.

It is not a weakly prime, because it can be changed into another prime (2558386973) 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, 1279193489 + 1279193490.

It is an arithmetic number, because the mean of its divisors is an integer number (1279193490).

Almost surely, 2^2558386979 is an apocalyptic number.

2558386979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2558386979 is an equidigital number, since it uses as much as digits as its factorization.

2558386979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32659200, while the sum is 62.

The square root of 2558386979 is about 50580.4999876435. The cubic root of 2558386979 is about 1367.6933816516.

The spelling of 2558386979 in words is "two billion, five hundred fifty-eight million, three hundred eighty-six thousand, nine hundred seventy-nine".