13450036021 has 4 divisors (see below), whose sum is σ = 13452577632. Its totient is φ = 13447494412.

The previous prime is 13450036003. The next prime is 13450036097. The reversal of 13450036021 is 12063005431.

13450036021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13450036021 - 2⁹ = 13450035509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13450036001) 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 3 ways as a sum of consecutive naturals, for example, 1262851 + ... + 1273456.

It is an arithmetic number, because the mean of its divisors is an integer number (3363144408).

Almost surely, 2^13450036021 is an apocalyptic number.

It is an amenable number.

13450036021 is a deficient number, since it is larger than the sum of its proper divisors (2541611).

13450036021 is an equidigital number, since it uses as much as digits as its factorization.

13450036021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541610.

The product of its (nonzero) digits is 2160, while the sum is 25.

The spelling of 13450036021 in words is "thirteen billion, four hundred fifty million, thirty-six thousand, twenty-one".