13659690241 has 4 divisors (see below), whose sum is σ = 13689580612. Its totient is φ = 13629799872.

The previous prime is 13659690227. The next prime is 13659690259. The reversal of 13659690241 is 14209695631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14209695631 = 50789 ⋅279779.

It can be written as a sum of positive squares in 2 ways, for example, as 11691880641 + 1967809600 = 108129^2 + 44360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13659690241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13659690191 and 13659690200.

It is not an unprimeable number, because it can be changed into a prime (13659693241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14944500 + ... + 14945413.

It is an arithmetic number, because the mean of its divisors is an integer number (3422395153).

Almost surely, 2^13659690241 is an apocalyptic number.

It is an amenable number.

13659690241 is a deficient number, since it is larger than the sum of its proper divisors (29890371).

13659690241 is an equidigital number, since it uses as much as digits as its factorization.

13659690241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29890370.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 13659690241 in words is "thirteen billion, six hundred fifty-nine million, six hundred ninety thousand, two hundred forty-one".