12357734459 has 4 divisors (see below), whose sum is σ = 14123125104. Its totient is φ = 10592343816.

The previous prime is 12357734447. The next prime is 12357734479. The reversal of 12357734459 is 95443775321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12357734459 - 2⁸ = 12357734203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12357734419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882695312 + ... + 882695325.

It is an arithmetic number, because the mean of its divisors is an integer number (3530781276).

Almost surely, 2^12357734459 is an apocalyptic number.

12357734459 is a deficient number, since it is larger than the sum of its proper divisors (1765390645).

12357734459 is an equidigital number, since it uses as much as digits as its factorization.

12357734459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765390644.

The product of its digits is 3175200, while the sum is 50.

The spelling of 12357734459 in words is "twelve billion, three hundred fifty-seven million, seven hundred thirty-four thousand, four hundred fifty-nine".