13240641633 has 16 divisors (see below), whose sum is σ = 18432558720. Its totient is φ = 8438359424.

The previous prime is 13240641619. The next prime is 13240641637. The reversal of 13240641633 is 33614604231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13240641633 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13240641594 and 13240641603.

It is not an unprimeable number, because it can be changed into a prime (13240641637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64213 + ... + 174941.

It is an arithmetic number, because the mean of its divisors is an integer number (1152034920).

Almost surely, 2^13240641633 is an apocalyptic number.

It is an amenable number.

13240641633 is a deficient number, since it is larger than the sum of its proper divisors (5191917087).

13240641633 is a wasteful number, since it uses less digits than its factorization.

13240641633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112488.

The product of its (nonzero) digits is 31104, while the sum is 33.

The spelling of 13240641633 in words is "thirteen billion, two hundred forty million, six hundred forty-one thousand, six hundred thirty-three".