7443212113 has 4 divisors (see below), whose sum is σ = 7464662640. Its totient is φ = 7421761588.

The previous prime is 7443212111. The next prime is 7443212129. The reversal of 7443212113 is 3112123447.

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 7443212113 - 2¹ = 7443212111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7443212111) 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, 10724743 + ... + 10725436.

It is an arithmetic number, because the mean of its divisors is an integer number (1866165660).

Almost surely, 2^7443212113 is an apocalyptic number.

It is an amenable number.

7443212113 is a deficient number, since it is larger than the sum of its proper divisors (21450527).

7443212113 is a wasteful number, since it uses less digits than its factorization.

7443212113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21450526.

The product of its digits is 4032, while the sum is 28.

The square root of 7443212113 is about 86274.0523738163. The cubic root of 7443212113 is about 1952.4809196756.

The spelling of 7443212113 in words is "seven billion, four hundred forty-three million, two hundred twelve thousand, one hundred thirteen".