26984648653 has 8 divisors (see below), whose sum is σ = 27156819456. Its totient is φ = 26812800000.

The previous prime is 26984648617. The next prime is 26984648659. The reversal of 26984648653 is 35684648962.

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

It is a cyclic number.

It is not a de Polignac number, because 26984648653 - 2¹³ = 26984640461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26984648591 and 26984648600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26984648659) 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 7 ways as a sum of consecutive naturals, for example, 88653 + ... + 248653.

It is an arithmetic number, because the mean of its divisors is an integer number (3394602432).

Almost surely, 2^26984648653 is an apocalyptic number.

It is an amenable number.

26984648653 is a deficient number, since it is larger than the sum of its proper divisors (172170803).

26984648653 is a wasteful number, since it uses less digits than its factorization.

26984648653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161075.

The product of its digits is 59719680, while the sum is 61.

The spelling of 26984648653 in words is "twenty-six billion, nine hundred eighty-four million, six hundred forty-eight thousand, six hundred fifty-three".