26134581419 has 4 divisors (see below), whose sum is σ = 26142028560. Its totient is φ = 26127134280.

The previous prime is 26134581397. The next prime is 26134581439. The reversal of 26134581419 is 91418543162.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26134581419 is a prime.

It is a super-2 number, since 2×26134581419² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26134581419.

It is not an unprimeable number, because it can be changed into a prime (26134581439) 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, 3718304 + ... + 3725325.

It is an arithmetic number, because the mean of its divisors is an integer number (6535507140).

Almost surely, 2^26134581419 is an apocalyptic number.

26134581419 is a deficient number, since it is larger than the sum of its proper divisors (7447141).

26134581419 is an equidigital number, since it uses as much as digits as its factorization.

26134581419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7447140.

The product of its digits is 207360, while the sum is 44.

The spelling of 26134581419 in words is "twenty-six billion, one hundred thirty-four million, five hundred eighty-one thousand, four hundred nineteen".