13650850865 has 16 divisors (see below), whose sum is σ = 17992886400. Its totient is φ = 9896084352.

The previous prime is 13650850853. The next prime is 13650850867. The reversal of 13650850865 is 56805805631.

It is a cyclic number.

It is not a de Polignac number, because 13650850865 - 2⁴ = 13650850849 is a prime.

It is a super-3 number, since 3×13650850865³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13650850867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3121580 + ... + 3125949.

It is an arithmetic number, because the mean of its divisors is an integer number (1124555400).

Almost surely, 2^13650850865 is an apocalyptic number.

It is an amenable number.

13650850865 is a deficient number, since it is larger than the sum of its proper divisors (4342035535).

13650850865 is a wasteful number, since it uses less digits than its factorization.

13650850865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6247576.

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 13650850865 in words is "thirteen billion, six hundred fifty million, eight hundred fifty thousand, eight hundred sixty-five".