26196443091 has 96 divisors (see below), whose sum is σ = 48252971520. Its totient is φ = 13753224576.

The previous prime is 26196443089. The next prime is 26196443093. The reversal of 26196443091 is 19034469162.

26196443091 is a `hidden beast` number, since 26 + 196 + 4 + 430 + 9 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (26196443089) and next prime (26196443093).

It is not a de Polignac number, because 26196443091 - 2¹ = 26196443089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26196443093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7248801 + ... + 7252413.

It is an arithmetic number, because the mean of its divisors is an integer number (502635120).

Almost surely, 2^26196443091 is an apocalyptic number.

26196443091 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

26196443091 is a deficient number, since it is larger than the sum of its proper divisors (22056528429).

26196443091 is a wasteful number, since it uses less digits than its factorization.

26196443091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882 (or 3863 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 26196443091 in words is "twenty-six billion, one hundred ninety-six million, four hundred forty-three thousand, ninety-one".