13836640825 has 72 divisors (see below), whose sum is σ = 20335484160. Its totient is φ = 9310291200.

The previous prime is 13836640813. The next prime is 13836640849. The reversal of 13836640825 is 52804663831.

13836640825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13836640825 - 2⁵ = 13836640793 is a prime.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 32103360 + ... + 32103790.

It is an arithmetic number, because the mean of its divisors is an integer number (282437280).

Almost surely, 2^13836640825 is an apocalyptic number.

It is an amenable number.

13836640825 is a deficient number, since it is larger than the sum of its proper divisors (6498843335).

13836640825 is a wasteful number, since it uses less digits than its factorization.

13836640825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 13836640825 in words is "thirteen billion, eight hundred thirty-six million, six hundred forty thousand, eight hundred twenty-five".