26393841506459 has 4 divisors (see below), whose sum is σ = 30164390293104. Its totient is φ = 22623292719816.

The previous prime is 26393841506393. The next prime is 26393841506519. The reversal of 26393841506459 is 95460514839362.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26393841506459 - 2¹² = 26393841502363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26393841506395 and 26393841506404.

It is not an unprimeable number, because it can be changed into a prime (26393841506359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1885274393312 + ... + 1885274393325.

It is an arithmetic number, because the mean of its divisors is an integer number (7541097573276).

Almost surely, 2^{26393841506459} is an apocalyptic number.

26393841506459 is a deficient number, since it is larger than the sum of its proper divisors (3770548786645).

26393841506459 is an equidigital number, since it uses as much as digits as its factorization.

26393841506459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770548786644.

The product of its (nonzero) digits is 167961600, while the sum is 65.

The spelling of 26393841506459 in words is "twenty-six trillion, three hundred ninety-three billion, eight hundred forty-one million, five hundred six thousand, four hundred fifty-nine".