26648484663 has 8 divisors (see below), whose sum is σ = 35786934400. Its totient is φ = 17637845688.

The previous prime is 26648484661. The next prime is 26648484671. The reversal of 26648484663 is 36648484662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26648484663 - 2¹ = 26648484661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26648484661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31952203 + ... + 31953036.

It is an arithmetic number, because the mean of its divisors is an integer number (4473366800).

Almost surely, 2^26648484663 is an apocalyptic number.

26648484663 is a deficient number, since it is larger than the sum of its proper divisors (9138449737).

26648484663 is a wasteful number, since it uses less digits than its factorization.

26648484663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63905381.

The product of its digits is 31850496, while the sum is 57.

Subtracting 26648484663 from its reverse (36648484662), we obtain a palindrome (9999999999).

The spelling of 26648484663 in words is "twenty-six billion, six hundred forty-eight million, four hundred eighty-four thousand, six hundred sixty-three".