2636873979 has 16 divisors (see below), whose sum is σ = 3729137280. Its totient is φ = 1652676480.

The previous prime is 2636873957. The next prime is 2636873999. The reversal of 2636873979 is 9793786362.

It is not a de Polignac number, because 2636873979 - 2¹¹ = 2636871931 is a prime.

It is a super-2 number, since 2×2636873979² = 13906208762254584882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2636873999) 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 in 15 ways as a sum of consecutive naturals, for example, 169102 + ... + 184035.

It is an arithmetic number, because the mean of its divisors is an integer number (233071080).

Almost surely, 2^2636873979 is an apocalyptic number.

2636873979 is a deficient number, since it is larger than the sum of its proper divisors (1092263301).

2636873979 is a wasteful number, since it uses less digits than its factorization.

2636873979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353290.

The product of its digits is 20575296, while the sum is 60.

The square root of 2636873979 is about 51350.5012536392. The cubic root of 2636873979 is about 1381.5389222623.

The spelling of 2636873979 in words is "two billion, six hundred thirty-six million, eight hundred seventy-three thousand, nine hundred seventy-nine".