26819092139 has 16 divisors (see below), whose sum is σ = 31317528000. Its totient is φ = 22957204032.

The previous prime is 26819092127. The next prime is 26819092199. The reversal of 26819092139 is 93129091862.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-26819092139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26819092199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208007 + ... + 311295.

It is an arithmetic number, because the mean of its divisors is an integer number (1957345500).

Almost surely, 2^26819092139 is an apocalyptic number.

26819092139 is a deficient number, since it is larger than the sum of its proper divisors (4498435861).

26819092139 is an equidigital number, since it uses as much as digits as its factorization.

26819092139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104067 (or 104053 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 50.

The spelling of 26819092139 in words is "twenty-six billion, eight hundred nineteen million, ninety-two thousand, one hundred thirty-nine".