26323950109 has 2 divisors, whose sum is σ = 26323950110. Its totient is φ = 26323950108.

The previous prime is 26323950091. The next prime is 26323950119. The reversal of 26323950109 is 90105932362.

Together with previous prime (26323950091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25665001209 + 658948900 = 160203^2 + 25670^2 .

It is a cyclic number.

It is not a de Polignac number, because 26323950109 - 2¹⁵ = 26323917341 is a prime.

It is a super-2 number, since 2×26323950109² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26323950119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13161975054 + 13161975055.

It is an arithmetic number, because the mean of its divisors is an integer number (13161975055).

Almost surely, 2^26323950109 is an apocalyptic number.

It is an amenable number.

26323950109 is a deficient number, since it is larger than the sum of its proper divisors (1).

26323950109 is an equidigital number, since it uses as much as digits as its factorization.

26323950109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 40.

The spelling of 26323950109 in words is "twenty-six billion, three hundred twenty-three million, nine hundred fifty thousand, one hundred nine".