202334013421 has 4 divisors (see below), whose sum is σ = 202451582844. Its totient is φ = 202216444000.

The previous prime is 202334013377. The next prime is 202334013449. The reversal of 202334013421 is 124310433202.

202334013421 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.

It can be written as a sum of positive squares in 2 ways, for example, as 90517341321 + 111816672100 = 300861^2 + 334390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202334013421 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 (202334013121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58782130 + ... + 58785571.

It is an arithmetic number, because the mean of its divisors is an integer number (50612895711).

Almost surely, 2^202334013421 is an apocalyptic number.

It is an amenable number.

202334013421 is a deficient number, since it is larger than the sum of its proper divisors (117569423).

202334013421 is a wasteful number, since it uses less digits than its factorization.

202334013421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117569422.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 202334013421 its reverse (124310433202), we get a palindrome (326644446623).

The spelling of 202334013421 in words is "two hundred two billion, three hundred thirty-four million, thirteen thousand, four hundred twenty-one".