26346458042239 has 2 divisors, whose sum is σ = 26346458042240. Its totient is φ = 26346458042238.

The previous prime is 26346458042161. The next prime is 26346458042327. The reversal of 26346458042239 is 93224085464362.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26346458042239 - 2¹³ = 26346458034047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26346458042039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13173229021119 + 13173229021120.

It is an arithmetic number, because the mean of its divisors is an integer number (13173229021120).

Almost surely, 2^{26346458042239} is an apocalyptic number.

26346458042239 is a deficient number, since it is larger than the sum of its proper divisors (1).

26346458042239 is an equidigital number, since it uses as much as digits as its factorization.

26346458042239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 59719680, while the sum is 58.

The spelling of 26346458042239 in words is "twenty-six trillion, three hundred forty-six billion, four hundred fifty-eight million, forty-two thousand, two hundred thirty-nine".