26442727193 has 16 divisors (see below), whose sum is σ = 28214873856. Its totient is φ = 24725912640.

The previous prime is 26442727189. The next prime is 26442727229. The reversal of 26442727193 is 39172724462.

It is not a de Polignac number, because 26442727193 - 2² = 26442727189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26442727093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298508 + ... + 376818.

It is an arithmetic number, because the mean of its divisors is an integer number (1763429616).

Almost surely, 2^26442727193 is an apocalyptic number.

26442727193 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

26442727193 is a deficient number, since it is larger than the sum of its proper divisors (1772146663).

26442727193 is a wasteful number, since it uses less digits than its factorization.

26442727193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78664.

The product of its digits is 1016064, while the sum is 47.

The spelling of 26442727193 in words is "twenty-six billion, four hundred forty-two million, seven hundred twenty-seven thousand, one hundred ninety-three".