28446110613 has 6 divisors (see below), whose sum is σ = 41088826454. Its totient is φ = 18964073736.

The previous prime is 28446110611. The next prime is 28446110617. The reversal of 28446110613 is 31601164482.

28446110613 is a `hidden beast` number, since 2 + 84 + 461 + 106 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17023203729 + 11422906884 = 130473^2 + 106878^2 .

It is not a de Polignac number, because 28446110613 - 2¹ = 28446110611 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 (28446110611) 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 5 ways as a sum of consecutive naturals, for example, 1580339470 + ... + 1580339487.

Almost surely, 2^28446110613 is an apocalyptic number.

It is an amenable number.

28446110613 is a deficient number, since it is larger than the sum of its proper divisors (12642715841).

28446110613 is a wasteful number, since it uses less digits than its factorization.

28446110613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160678963 (or 3160678960 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 28446110613 in words is "twenty-eight billion, four hundred forty-six million, one hundred ten thousand, six hundred thirteen".