26140201169 has 2 divisors, whose sum is σ = 26140201170. Its totient is φ = 26140201168.

The previous prime is 26140201133. The next prime is 26140201177. The reversal of 26140201169 is 96110204162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25993500625 + 146700544 = 161225^2 + 12112^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26140201169 is a prime.

It is a super-2 number, since 2×26140201169² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26140201369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13070100584 + 13070100585.

It is an arithmetic number, because the mean of its divisors is an integer number (13070100585).

Almost surely, 2^26140201169 is an apocalyptic number.

It is an amenable number.

26140201169 is a deficient number, since it is larger than the sum of its proper divisors (1).

26140201169 is an equidigital number, since it uses as much as digits as its factorization.

26140201169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 26140201169 in words is "twenty-six billion, one hundred forty million, two hundred one thousand, one hundred sixty-nine".