26195265139 has 2 divisors, whose sum is σ = 26195265140. Its totient is φ = 26195265138.

The previous prime is 26195265119. The next prime is 26195265163. The reversal of 26195265139 is 93156259162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26195265139 - 2²⁹ = 25658394227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26195265092 and 26195265101.

It is not a weakly prime, because it can be changed into another prime (26195265119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13097632569 + 13097632570.

It is an arithmetic number, because the mean of its divisors is an integer number (13097632570).

Almost surely, 2^26195265139 is an apocalyptic number.

26195265139 is a deficient number, since it is larger than the sum of its proper divisors (1).

26195265139 is an equidigital number, since it uses as much as digits as its factorization.

26195265139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 874800, while the sum is 49.

The spelling of 26195265139 in words is "twenty-six billion, one hundred ninety-five million, two hundred sixty-five thousand, one hundred thirty-nine".