26839696123 has 2 divisors, whose sum is σ = 26839696124. Its totient is φ = 26839696122.

The previous prime is 26839696111. The next prime is 26839696171. The reversal of 26839696123 is 32169693862.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26839696123 is a prime.

It is a super-2 number, since 2×26839696123² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26839646123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13419848061 + 13419848062.

It is an arithmetic number, because the mean of its divisors is an integer number (13419848062).

Almost surely, 2^26839696123 is an apocalyptic number.

26839696123 is a deficient number, since it is larger than the sum of its proper divisors (1).

26839696123 is an equidigital number, since it uses as much as digits as its factorization.

26839696123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 55.

The spelling of 26839696123 in words is "twenty-six billion, eight hundred thirty-nine million, six hundred ninety-six thousand, one hundred twenty-three".