9613879321 has 16 divisors (see below), whose sum is σ = 10464277248. Its totient is φ = 8798630400.

The previous prime is 9613879307. The next prime is 9613879333. The reversal of 9613879321 is 1239783169.

It is a cyclic number.

It is not a de Polignac number, because 9613879321 - 2¹⁵ = 9613846553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9613877321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33556 + ... + 142666.

It is an arithmetic number, because the mean of its divisors is an integer number (654017328).

Almost surely, 2^9613879321 is an apocalyptic number.

It is an amenable number.

9613879321 is a deficient number, since it is larger than the sum of its proper divisors (850397927).

9613879321 is a wasteful number, since it uses less digits than its factorization.

9613879321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109272.

The product of its digits is 489888, while the sum is 49.

The square root of 9613879321 is about 98050.3917432256. The cubic root of 9613879321 is about 2126.3408798414.

The spelling of 9613879321 in words is "nine billion, six hundred thirteen million, eight hundred seventy-nine thousand, three hundred twenty-one".