13580851338 has 16 divisors (see below), whose sum is σ = 30179669760. Its totient is φ = 4526950428.

The previous prime is 13580851337. The next prime is 13580851393. The reversal of 13580851338 is 83315808531.

13580851338 is a `hidden beast` number, since 13 + 580 + 8 + 51 + 3 + 3 + 8 = 666.

13580851338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13580851293 and 13580851302.

It is not an unprimeable number, because it can be changed into a prime (13580851337) 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, 125748570 + ... + 125748677.

It is an arithmetic number, because the mean of its divisors is an integer number (1886229360).

Almost surely, 2^13580851338 is an apocalyptic number.

13580851338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13580851338 is an abundant number, since it is smaller than the sum of its proper divisors (16598818422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13580851338 is a wasteful number, since it uses less digits than its factorization.

13580851338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251497258 (or 251497252 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 13580851338 in words is "thirteen billion, five hundred eighty million, eight hundred fifty-one thousand, three hundred thirty-eight".