403434243213 has 4 divisors (see below), whose sum is σ = 537912324288. Its totient is φ = 268956162140.

The previous prime is 403434243197. The next prime is 403434243221. The reversal of 403434243213 is 312342434304.

It is a happy number.

403434243213 is digitally balanced in base 4, 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 403434243213 - 2⁴ = 403434243197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403434243253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67239040533 + ... + 67239040538.

It is an arithmetic number, because the mean of its divisors is an integer number (134478081072).

Almost surely, 2^403434243213 is an apocalyptic number.

It is an amenable number.

403434243213 is a deficient number, since it is larger than the sum of its proper divisors (134478081075).

403434243213 is a wasteful number, since it uses less digits than its factorization.

403434243213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134478081074.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 403434243213 its reverse (312342434304), we get a palindrome (715776677517).

The spelling of 403434243213 in words is "four hundred three billion, four hundred thirty-four million, two hundred forty-three thousand, two hundred thirteen".