13288546657 has 4 divisors (see below), whose sum is σ = 13437856260. Its totient is φ = 13139237056.

The previous prime is 13288546651. The next prime is 13288546697. The reversal of 13288546657 is 75664588231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75664588231 = 19 ⋅3982346749.

It can be written as a sum of positive squares in 2 ways, for example, as 6056574976 + 7231971681 = 77824^2 + 85041^2 .

It is a cyclic number.

It is not a de Polignac number, because 13288546657 - 2¹¹ = 13288544609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13288546598 and 13288546607.

It is not an unprimeable number, because it can be changed into a prime (13288546651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74654668 + ... + 74654845.

It is an arithmetic number, because the mean of its divisors is an integer number (3359464065).

Almost surely, 2^13288546657 is an apocalyptic number.

It is an amenable number.

13288546657 is a deficient number, since it is larger than the sum of its proper divisors (149309603).

13288546657 is an equidigital number, since it uses as much as digits as its factorization.

13288546657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149309602.

The product of its digits is 9676800, while the sum is 55.

The spelling of 13288546657 in words is "thirteen billion, two hundred eighty-eight million, five hundred forty-six thousand, six hundred fifty-seven".