13133425021 has 16 divisors (see below), whose sum is σ = 14297638320. Its totient is φ = 12013470720.

The previous prime is 13133425009. The next prime is 13133425049. The reversal of 13133425021 is 12052433131.

It is a happy number.

13133425021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 3262008996 + 9871416025 = 57114^2 + 99355^2 .

It is a cyclic number.

It is not a de Polignac number, because 13133425021 - 2⁷ = 13133424893 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 (13133425091) 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 15 ways as a sum of consecutive naturals, for example, 580795 + ... + 602983.

It is an arithmetic number, because the mean of its divisors is an integer number (893602395).

Almost surely, 2^13133425021 is an apocalyptic number.

It is an amenable number.

13133425021 is a deficient number, since it is larger than the sum of its proper divisors (1164213299).

13133425021 is a wasteful number, since it uses less digits than its factorization.

13133425021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23184.

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

Adding to 13133425021 its reverse (12052433131), we get a palindrome (25185858152).

The spelling of 13133425021 in words is "thirteen billion, one hundred thirty-three million, four hundred twenty-five thousand, twenty-one".