13632478313 has 8 divisors (see below), whose sum is σ = 14562128808. Its totient is φ = 12717021184.

The previous prime is 13632478309. The next prime is 13632478337. The reversal of 13632478313 is 31387423631.

13632478313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 49042009 + 13583436304 = 7003^2 + 116548^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13632478313 - 2² = 13632478309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13632478303) 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 7 ways as a sum of consecutive naturals, for example, 3546356 + ... + 3550197.

It is an arithmetic number, because the mean of its divisors is an integer number (1820266101).

Almost surely, 2^13632478313 is an apocalyptic number.

It is an amenable number.

13632478313 is a deficient number, since it is larger than the sum of its proper divisors (929650495).

13632478313 is a wasteful number, since it uses less digits than its factorization.

13632478313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7096683.

The product of its digits is 217728, while the sum is 41.

The spelling of 13632478313 in words is "thirteen billion, six hundred thirty-two million, four hundred seventy-eight thousand, three hundred thirteen".