2579399959 has 2 divisors, whose sum is σ = 2579399960. Its totient is φ = 2579399958.

The previous prime is 2579399957. The next prime is 2579399989. The reversal of 2579399959 is 9599939752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2579399959 - 2¹ = 2579399957 is a prime.

Together with 2579399957, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2579399894 and 2579399903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2579399957) 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, 1289699979 + 1289699980.

It is an arithmetic number, because the mean of its divisors is an integer number (1289699980).

Almost surely, 2^2579399959 is an apocalyptic number.

2579399959 is a deficient number, since it is larger than the sum of its proper divisors (1).

2579399959 is an equidigital number, since it uses as much as digits as its factorization.

2579399959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62001450, while the sum is 67.

The square root of 2579399959 is about 50787.7934055025. The cubic root of 2579399959 is about 1371.4276341021.

The spelling of 2579399959 in words is "two billion, five hundred seventy-nine million, three hundred ninety-nine thousand, nine hundred fifty-nine".