9439916613 has 4 divisors (see below), whose sum is σ = 12586555488. Its totient is φ = 6293277740.

The previous prime is 9439916599. The next prime is 9439916617. The reversal of 9439916613 is 3166199349.

9439916613 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, 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 9439916613 - 2¹³ = 9439908421 is a prime.

It is a super-2 number, since 2×9439916613² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9439916617) 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, 1573319433 + ... + 1573319438.

It is an arithmetic number, because the mean of its divisors is an integer number (3146638872).

Almost surely, 2^9439916613 is an apocalyptic number.

It is an amenable number.

9439916613 is a deficient number, since it is larger than the sum of its proper divisors (3146638875).

9439916613 is a wasteful number, since it uses less digits than its factorization.

9439916613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146638874.

The product of its digits is 944784, while the sum is 51.

The square root of 9439916613 is about 97159.2332874236. The cubic root of 9439916613 is about 2113.4373875569.

The spelling of 9439916613 in words is "nine billion, four hundred thirty-nine million, nine hundred sixteen thousand, six hundred thirteen".