12663343730 has 8 divisors (see below), whose sum is σ = 22794018732. Its totient is φ = 5065337488.

The previous prime is 12663343709. The next prime is 12663343733. The reversal of 12663343730 is 3734336621.

It can be written as a sum of positive squares in 2 ways, for example, as 11725208089 + 938135641 = 108283^2 + 30629^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12663343733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633167177 + ... + 633167196.

Almost surely, 2^12663343730 is an apocalyptic number.

12663343730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12663343730 is a deficient number, since it is larger than the sum of its proper divisors (10130675002).

12663343730 is a wasteful number, since it uses less digits than its factorization.

12663343730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266334380.

The product of its (nonzero) digits is 163296, while the sum is 38.

The spelling of 12663343730 in words is "twelve billion, six hundred sixty-three million, three hundred forty-three thousand, seven hundred thirty".