12329905619 has 16 divisors (see below), whose sum is σ = 13581043200. Its totient is φ = 11141830656.

The previous prime is 12329905603. The next prime is 12329905631. The reversal of 12329905619 is 91650992321.

It is a cyclic number.

It is not a de Polignac number, because 12329905619 - 2⁴ = 12329905603 is a prime.

It is a super-2 number, since 2×12329905619² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12329905649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117587 + ... + 196179.

It is an arithmetic number, because the mean of its divisors is an integer number (848815200).

Almost surely, 2^12329905619 is an apocalyptic number.

12329905619 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12329905619 is a deficient number, since it is larger than the sum of its proper divisors (1251137581).

12329905619 is a wasteful number, since it uses less digits than its factorization.

12329905619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78994.

The product of its (nonzero) digits is 262440, while the sum is 47.

The spelling of 12329905619 in words is "twelve billion, three hundred twenty-nine million, nine hundred five thousand, six hundred nineteen".