26200064280469 has 4 divisors (see below), whose sum is σ = 26200074736044. Its totient is φ = 26200053824896.

The previous prime is 26200064280451. The next prime is 26200064280479. The reversal of 26200064280469 is 96408246000262.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 14323666454244 + 11876397826225 = 3784662^2 + 3446215^2 .

It is a cyclic number.

It is not a de Polignac number, because 26200064280469 - 2¹⁷ = 26200064149397 is a prime.

It is a super-2 number, since 2×26200064280469² (a number of 28 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 (26200064280449) 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 3 ways as a sum of consecutive naturals, for example, 1019589 + ... + 7310245.

It is an arithmetic number, because the mean of its divisors is an integer number (6550018684011).

Almost surely, 2^{26200064280469} is an apocalyptic number.

It is an amenable number.

26200064280469 is a deficient number, since it is larger than the sum of its proper divisors (10455575).

26200064280469 is an equidigital number, since it uses as much as digits as its factorization.

26200064280469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10455574.

The product of its (nonzero) digits is 1990656, while the sum is 49.

The spelling of 26200064280469 in words is "twenty-six trillion, two hundred billion, sixty-four million, two hundred eighty thousand, four hundred sixty-nine".