13234500421 has 2 divisors, whose sum is σ = 13234500422. Its totient is φ = 13234500420.

The previous prime is 13234500401. The next prime is 13234500443. The reversal of 13234500421 is 12400543231.

13234500421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10274052321 + 2960448100 = 101361^2 + 54410^2 .

It is a cyclic number.

It is not a de Polignac number, because 13234500421 - 2¹¹ = 13234498373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13234500401) 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 as a sum of consecutive naturals, namely, 6617250210 + 6617250211.

It is an arithmetic number, because the mean of its divisors is an integer number (6617250211).

Almost surely, 2^13234500421 is an apocalyptic number.

It is an amenable number.

13234500421 is a deficient number, since it is larger than the sum of its proper divisors (1).

13234500421 is an equidigital number, since it uses as much as digits as its factorization.

13234500421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The spelling of 13234500421 in words is "thirteen billion, two hundred thirty-four million, five hundred thousand, four hundred twenty-one".