2579842788549 has 128 divisors (see below), whose sum is σ = 3959452385280. Its totient is φ = 1482139524096.

The previous prime is 2579842788547. The next prime is 2579842788571. The reversal of 2579842788549 is 9458872489752.

2579842788549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2579842788549 - 2¹ = 2579842788547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2579842788547) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4208552367 + ... + 4208552979.

It is an arithmetic number, because the mean of its divisors is an integer number (30933221760).

Almost surely, 2^{2579842788549} is an apocalyptic number.

It is an amenable number.

2579842788549 is a deficient number, since it is larger than the sum of its proper divisors (1379609596731).

2579842788549 is a wasteful number, since it uses less digits than its factorization.

2579842788549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251.

The product of its digits is 3251404800, while the sum is 78.

The spelling of 2579842788549 in words is "two trillion, five hundred seventy-nine billion, eight hundred forty-two million, seven hundred eighty-eight thousand, five hundred forty-nine".