26454354747 has 4 divisors (see below), whose sum is σ = 35272473000. Its totient is φ = 17636236496.

The previous prime is 26454354739. The next prime is 26454354769. The reversal of 26454354747 is 74745345462.

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 26454354747 - 2³ = 26454354739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26454354747.

It is not an unprimeable number, because it can be changed into a prime (26454354727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4409059122 + ... + 4409059127.

It is an arithmetic number, because the mean of its divisors is an integer number (8818118250).

Almost surely, 2^26454354747 is an apocalyptic number.

26454354747 is a deficient number, since it is larger than the sum of its proper divisors (8818118253).

26454354747 is an equidigital number, since it uses as much as digits as its factorization.

26454354747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8818118252.

The product of its digits is 11289600, while the sum is 51.

The spelling of 26454354747 in words is "twenty-six billion, four hundred fifty-four million, three hundred fifty-four thousand, seven hundred forty-seven".