26540835469 has 4 divisors (see below), whose sum is σ = 27105534144. Its totient is φ = 25976136796.

The previous prime is 26540835457. The next prime is 26540835479. The reversal of 26540835469 is 96453804562.

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 26540835469 - 2⁷ = 26540835341 is a prime.

It is a super-2 number, since 2×26540835469² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26540835479) 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, 282349267 + ... + 282349360.

It is an arithmetic number, because the mean of its divisors is an integer number (6776383536).

Almost surely, 2^26540835469 is an apocalyptic number.

It is an amenable number.

26540835469 is a deficient number, since it is larger than the sum of its proper divisors (564698675).

26540835469 is an equidigital number, since it uses as much as digits as its factorization.

26540835469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564698674.

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 26540835469 in words is "twenty-six billion, five hundred forty million, eight hundred thirty-five thousand, four hundred sixty-nine".