13659324986 has 4 divisors (see below), whose sum is σ = 20488987482. Its totient is φ = 6829662492.

The previous prime is 13659324971. The next prime is 13659325013. The reversal of 13659324986 is 68942395631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13105899361 + 553425625 = 114481^2 + 23525^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3414831245 + ... + 3414831248.

Almost surely, 2^13659324986 is an apocalyptic number.

13659324986 is a deficient number, since it is larger than the sum of its proper divisors (6829662496).

13659324986 is an equidigital number, since it uses as much as digits as its factorization.

13659324986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6829662495.

The product of its digits is 8398080, while the sum is 56.

The spelling of 13659324986 in words is "thirteen billion, six hundred fifty-nine million, three hundred twenty-four thousand, nine hundred eighty-six".