13635252027 has 12 divisors (see below), whose sum is σ = 19704937824. Its totient is φ = 9085749360.

The previous prime is 13635251923. The next prime is 13635252047. The reversal of 13635252027 is 72025253631.

13635252027 is a `hidden beast` number, since 1 + 3 + 63 + 52 + 520 + 27 = 666.

It is not a de Polignac number, because 13635252027 - 2¹⁶ = 13635186491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13635251982 and 13635252000.

It is not an unprimeable number, because it can be changed into a prime (13635252047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348624 + ... + 385757.

It is an arithmetic number, because the mean of its divisors is an integer number (1642078152).

Almost surely, 2^13635252027 is an apocalyptic number.

13635252027 is a deficient number, since it is larger than the sum of its proper divisors (6069685797).

13635252027 is a wasteful number, since it uses less digits than its factorization.

13635252027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736450 (or 736447 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The spelling of 13635252027 in words is "thirteen billion, six hundred thirty-five million, two hundred fifty-two thousand, twenty-seven".