13459829866561 has 32 divisors (see below), whose sum is σ = 15908357767680. Its totient is φ = 11273989072896.

The previous prime is 13459829866523. The next prime is 13459829866601. The reversal of 13459829866561 is 16566892895431.

It is a cyclic number.

It is not a de Polignac number, because 13459829866561 - 2¹³ = 13459829858369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13459829866501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8974476 + ... + 10366333.

It is an arithmetic number, because the mean of its divisors is an integer number (497136180240).

Almost surely, 2^{13459829866561} is an apocalyptic number.

It is an amenable number.

13459829866561 is a deficient number, since it is larger than the sum of its proper divisors (2448527901119).

13459829866561 is a wasteful number, since it uses less digits than its factorization.

13459829866561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19340953.

The product of its digits is 671846400, while the sum is 73.

The spelling of 13459829866561 in words is "thirteen trillion, four hundred fifty-nine billion, eight hundred twenty-nine million, eight hundred sixty-six thousand, five hundred sixty-one".