8423422613 has 4 divisors (see below), whose sum is σ = 8424548940. Its totient is φ = 8422296288.

The previous prime is 8423422543. The next prime is 8423422639. The reversal of 8423422613 is 3162243248.

8423422613 is digitally balanced in base 3, 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 4361017444 + 4062405169 = 66038^2 + 63737^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8423422613 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 (8423422213) 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, 551870 + ... + 566927.

It is an arithmetic number, because the mean of its divisors is an integer number (2106137235).

Almost surely, 2^8423422613 is an apocalyptic number.

It is an amenable number.

8423422613 is a deficient number, since it is larger than the sum of its proper divisors (1126327).

8423422613 is a wasteful number, since it uses less digits than its factorization.

8423422613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126326.

The product of its digits is 55296, while the sum is 35.

The square root of 8423422613 is about 91779.2057766900. The cubic root of 8423422613 is about 2034.6803775336.

The spelling of 8423422613 in words is "eight billion, four hundred twenty-three million, four hundred twenty-two thousand, six hundred thirteen".