9623381613 has 16 divisors (see below), whose sum is σ = 12929917440. Its totient is φ = 6366339504.

The previous prime is 9623381609. The next prime is 9623381629. The reversal of 9623381613 is 3161833269.

It is not a de Polignac number, because 9623381613 - 2² = 9623381609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9623381653) 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, 307320 + ... + 337182.

It is an arithmetic number, because the mean of its divisors is an integer number (808119840).

Almost surely, 2^9623381613 is an apocalyptic number.

It is an amenable number.

9623381613 is a deficient number, since it is larger than the sum of its proper divisors (3306535827).

9623381613 is a wasteful number, since it uses less digits than its factorization.

9623381613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30688.

The product of its digits is 139968, while the sum is 42.

The square root of 9623381613 is about 98098.8359411058. The cubic root of 9623381613 is about 2127.0412027131.

The spelling of 9623381613 in words is "nine billion, six hundred twenty-three million, three hundred eighty-one thousand, six hundred thirteen".