26159347859189 has 2 divisors, whose sum is σ = 26159347859190. Its totient is φ = 26159347859188.

The previous prime is 26159347859147. The next prime is 26159347859209. The reversal of 26159347859189 is 98195874395162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25097675218564 + 1061672640625 = 5009758^2 + 1030375^2 .

It is a cyclic number.

It is not a de Polignac number, because 26159347859189 - 2¹⁶ = 26159347793653 is a prime.

It is a super-2 number, since 2×26159347859189² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26159340859189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13079673929594 + 13079673929595.

It is an arithmetic number, because the mean of its divisors is an integer number (13079673929595).

Almost surely, 2^{26159347859189} is an apocalyptic number.

It is an amenable number.

26159347859189 is a deficient number, since it is larger than the sum of its proper divisors (1).

26159347859189 is an equidigital number, since it uses as much as digits as its factorization.

26159347859189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1175731200, while the sum is 77.

The spelling of 26159347859189 in words is "twenty-six trillion, one hundred fifty-nine billion, three hundred forty-seven million, eight hundred fifty-nine thousand, one hundred eighty-nine".