26413876509 has 32 divisors (see below), whose sum is σ = 36283772928. Its totient is φ = 17085816000.

The previous prime is 26413876441. The next prime is 26413876519. The reversal of 26413876509 is 90567831462.

It is a de Polignac number, because none of the positive numbers 2^k-26413876509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26413876519) 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 31 ways as a sum of consecutive naturals, for example, 5105494 + ... + 5110664.

It is an arithmetic number, because the mean of its divisors is an integer number (1133867904).

It is a 1-persistent number, because it is pandigital, but 2⋅26413876509 = 52827753018 is not.

Almost surely, 2^26413876509 is an apocalyptic number.

It is an amenable number.

26413876509 is a deficient number, since it is larger than the sum of its proper divisors (9869896419).

26413876509 is a wasteful number, since it uses less digits than its factorization.

26413876509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5609.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 26413876509 in words is "twenty-six billion, four hundred thirteen million, eight hundred seventy-six thousand, five hundred nine".