26604204468451 has 4 divisors (see below), whose sum is σ = 26604257957152. Its totient is φ = 26604150979752.

The previous prime is 26604204468421. The next prime is 26604204468539. The reversal of 26604204468451 is 15486440240662.

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

It is a cyclic number.

It is not a de Polignac number, because 26604204468451 - 2¹³ = 26604204460259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26604204468421) 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, 25991211 + ... + 26995396.

It is an arithmetic number, because the mean of its divisors is an integer number (6651064489288).

Almost surely, 2^{26604204468451} is an apocalyptic number.

26604204468451 is a deficient number, since it is larger than the sum of its proper divisors (53488701).

26604204468451 is an equidigital number, since it uses as much as digits as its factorization.

26604204468451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53488700.

The product of its (nonzero) digits is 8847360, while the sum is 52.

The spelling of 26604204468451 in words is "twenty-six trillion, six hundred four billion, two hundred four million, four hundred sixty-eight thousand, four hundred fifty-one".