13658408643 has 16 divisors (see below), whose sum is σ = 19890838656. Its totient is φ = 8267797440.

The previous prime is 13658408641. The next prime is 13658408683. The reversal of 13658408643 is 34680485631.

13658408643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13658408643 - 2¹ = 13658408641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13658408592 and 13658408601.

It is not an unprimeable number, because it can be changed into a prime (13658408641) 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 15 ways as a sum of consecutive naturals, for example, 222946 + ... + 277527.

It is an arithmetic number, because the mean of its divisors is an integer number (1243177416).

Almost surely, 2^13658408643 is an apocalyptic number.

13658408643 is a deficient number, since it is larger than the sum of its proper divisors (6232430013).

13658408643 is a wasteful number, since it uses less digits than its factorization.

13658408643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501314.

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 13658408643 in words is "thirteen billion, six hundred fifty-eight million, four hundred eight thousand, six hundred forty-three".