8243417613 has 4 divisors (see below), whose sum is σ = 10991223488. Its totient is φ = 5495611740.

The previous prime is 8243417599. The next prime is 8243417659. The reversal of 8243417613 is 3167143428.

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 not a de Polignac number, because 8243417613 - 2⁶ = 8243417549 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 (8243417683) 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, 1373902933 + ... + 1373902938.

It is an arithmetic number, because the mean of its divisors is an integer number (2747805872).

Almost surely, 2^8243417613 is an apocalyptic number.

It is an amenable number.

8243417613 is a deficient number, since it is larger than the sum of its proper divisors (2747805875).

8243417613 is a wasteful number, since it uses less digits than its factorization.

8243417613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747805874.

The product of its digits is 96768, while the sum is 39.

The square root of 8243417613 is about 90793.2685445347. The cubic root of 8243417613 is about 2020.0824732690.

The spelling of 8243417613 in words is "eight billion, two hundred forty-three million, four hundred seventeen thousand, six hundred thirteen".