26375818819 has 4 divisors (see below), whose sum is σ = 30143792944. Its totient is φ = 22607844696.

The previous prime is 26375818817. The next prime is 26375818831. The reversal of 26375818819 is 91881857362.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26375818819 - 2¹ = 26375818817 is a prime.

It is a super-2 number, since 2×26375818819² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26375818817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1883987052 + ... + 1883987065.

It is an arithmetic number, because the mean of its divisors is an integer number (7535948236).

Almost surely, 2^26375818819 is an apocalyptic number.

26375818819 is a deficient number, since it is larger than the sum of its proper divisors (3767974125).

26375818819 is an equidigital number, since it uses as much as digits as its factorization.

26375818819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767974124.

The product of its digits is 5806080, while the sum is 58.

The spelling of 26375818819 in words is "twenty-six billion, three hundred seventy-five million, eight hundred eighteen thousand, eight hundred nineteen".