26913189101 has 4 divisors (see below), whose sum is σ = 26960323104. Its totient is φ = 26866055100.

The previous prime is 26913189097. The next prime is 26913189109. The reversal of 26913189101 is 10198131962.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26913189101 - 2² = 26913189097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26913189109) 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, 23566145 + ... + 23567286.

It is an arithmetic number, because the mean of its divisors is an integer number (6740080776).

Almost surely, 2^26913189101 is an apocalyptic number.

It is an amenable number.

26913189101 is a deficient number, since it is larger than the sum of its proper divisors (47134003).

26913189101 is an equidigital number, since it uses as much as digits as its factorization.

26913189101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47134002.

The product of its (nonzero) digits is 23328, while the sum is 41.

The spelling of 26913189101 in words is "twenty-six billion, nine hundred thirteen million, one hundred eighty-nine thousand, one hundred one".