26788956481653 has 64 divisors (see below), whose sum is σ = 39181764061440. Its totient is φ = 16205130805248.

The previous prime is 26788956481583. The next prime is 26788956481697. The reversal of 26788956481653 is 35618465988762.

It is not a de Polignac number, because 26788956481653 - 2¹² = 26788956477557 is a prime.

It is a super-2 number, since 2×26788956481653² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26788956481253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4738889175 + ... + 4738894827.

It is an arithmetic number, because the mean of its divisors is an integer number (612215063460).

Almost surely, 2^{26788956481653} is an apocalyptic number.

It is an amenable number.

26788956481653 is a deficient number, since it is larger than the sum of its proper divisors (12392807579787).

26788956481653 is a wasteful number, since it uses less digits than its factorization.

26788956481653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9878.

The product of its digits is 4180377600, while the sum is 78.

The spelling of 26788956481653 in words is "twenty-six trillion, seven hundred eighty-eight billion, nine hundred fifty-six million, four hundred eighty-one thousand, six hundred fifty-three".