26265064453 has 4 divisors (see below), whose sum is σ = 26274484620. Its totient is φ = 26255644288.

The previous prime is 26265064451. The next prime is 26265064477. The reversal of 26265064453 is 35446056262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35446056262 = 2 ⋅17723028131.

It can be written as a sum of positive squares in 2 ways, for example, as 14588533089 + 11676531364 = 120783^2 + 108058^2 .

It is a cyclic number.

It is not a de Polignac number, because 26265064453 - 2¹ = 26265064451 is a prime.

It is a super-2 number, since 2×26265064453² (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 (26265064451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4705900 + ... + 4711477.

It is an arithmetic number, because the mean of its divisors is an integer number (6568621155).

Almost surely, 2^26265064453 is an apocalyptic number.

It is an amenable number.

26265064453 is a deficient number, since it is larger than the sum of its proper divisors (9420167).

26265064453 is an equidigital number, since it uses as much as digits as its factorization.

26265064453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9420166.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 26265064453 in words is "twenty-six billion, two hundred sixty-five million, sixty-four thousand, four hundred fifty-three".