13870836658 has 16 divisors (see below), whose sum is σ = 23793467904. Its totient is φ = 5940921600.

The previous prime is 13870836643. The next prime is 13870836659. The reversal of 13870836658 is 85663807831.

13870836658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13870836599 and 13870836608.

It is not an unprimeable number, because it can be changed into a prime (13870836659) 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, 287010 + ... + 331837.

It is an arithmetic number, because the mean of its divisors is an integer number (1487091744).

Almost surely, 2^13870836658 is an apocalyptic number.

13870836658 is a deficient number, since it is larger than the sum of its proper divisors (9922631246).

13870836658 is a wasteful number, since it uses less digits than its factorization.

13870836658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620457.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 13870836658 in words is "thirteen billion, eight hundred seventy million, eight hundred thirty-six thousand, six hundred fifty-eight".