26586379659 has 16 divisors (see below), whose sum is σ = 40579340288. Its totient is φ = 15167181312.

The previous prime is 26586379649. The next prime is 26586379693. The reversal of 26586379659 is 95697368562.

It is a happy number.

It is not a de Polignac number, because 26586379659 - 2⁸ = 26586379403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26586379659.

It is not an unprimeable number, because it can be changed into a prime (26586379639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1030102 + ... + 1055595.

It is an arithmetic number, because the mean of its divisors is an integer number (2536208768).

Almost surely, 2^26586379659 is an apocalyptic number.

26586379659 is a deficient number, since it is larger than the sum of its proper divisors (13992960629).

26586379659 is a wasteful number, since it uses less digits than its factorization.

26586379659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086314.

The product of its digits is 146966400, while the sum is 66.

The spelling of 26586379659 in words is "twenty-six billion, five hundred eighty-six million, three hundred seventy-nine thousand, six hundred fifty-nine".