26808038219 has 4 divisors (see below), whose sum is σ = 27732453360. Its totient is φ = 25883623080.

The previous prime is 26808038189. The next prime is 26808038249. The reversal of 26808038219 is 91283080862.

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

It is an interprime number because it is at equal distance from previous prime (26808038189) and next prime (26808038249).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26808038219 is a prime.

It is a super-2 number, since 2×26808038219² (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 (26808038249) 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 3 ways as a sum of consecutive naturals, for example, 462207527 + ... + 462207584.

It is an arithmetic number, because the mean of its divisors is an integer number (6933113340).

Almost surely, 2^26808038219 is an apocalyptic number.

26808038219 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

26808038219 is a deficient number, since it is larger than the sum of its proper divisors (924415141).

26808038219 is an equidigital number, since it uses as much as digits as its factorization.

26808038219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924415140.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 26808038219 in words is "twenty-six billion, eight hundred eight million, thirty-eight thousand, two hundred nineteen".