12305381739 has 8 divisors (see below), whose sum is σ = 18751057920. Its totient is φ = 7031646696.

The previous prime is 12305381659. The next prime is 12305381741. The reversal of 12305381739 is 93718350321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12305381739 - 2²³ = 12296993131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12305381739.

It is not an unprimeable number, because it can be changed into a prime (12305331739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292985259 + ... + 292985300.

It is an arithmetic number, because the mean of its divisors is an integer number (2343882240).

Almost surely, 2^12305381739 is an apocalyptic number.

12305381739 is a deficient number, since it is larger than the sum of its proper divisors (6445676181).

12305381739 is an equidigital number, since it uses as much as digits as its factorization.

12305381739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585970569.

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 12305381739 in words is "twelve billion, three hundred five million, three hundred eighty-one thousand, seven hundred thirty-nine".