26004435453 has 10 divisors (see below), whose sum is σ = 38846132094. Its totient is φ = 17336290248.

The previous prime is 26004435409. The next prime is 26004435491. The reversal of 26004435453 is 35453440062.

26004435453 is a `hidden beast` number, since 2 + 600 + 4 + 4 + 3 + 5 + 45 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25370755524 + 633679929 = 159282^2 + 25173^2 .

It is not a de Polignac number, because 26004435453 - 2¹² = 26004431357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26004435493) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 160521126 + ... + 160521287.

Almost surely, 2^26004435453 is an apocalyptic number.

It is an amenable number.

26004435453 is a deficient number, since it is larger than the sum of its proper divisors (12841696641).

26004435453 is an equidigital number, since it uses as much as digits as its factorization.

26004435453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321042425 (or 321042416 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 26004435453 in words is "twenty-six billion, four million, four hundred thirty-five thousand, four hundred fifty-three".