12818369603 has 4 divisors (see below), whose sum is σ = 13804398048. Its totient is φ = 11832341160.

The previous prime is 12818369567. The next prime is 12818369611. The reversal of 12818369603 is 30696381821.

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 12818369603 - 2²⁸ = 12549934147 is a prime.

It is a super-2 number, since 2×12818369603² (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 (12818369633) 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, 493014203 + ... + 493014228.

It is an arithmetic number, because the mean of its divisors is an integer number (3451099512).

Almost surely, 2^12818369603 is an apocalyptic number.

12818369603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12818369603 is a deficient number, since it is larger than the sum of its proper divisors (986028445).

12818369603 is an equidigital number, since it uses as much as digits as its factorization.

12818369603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986028444.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 12818369603 in words is "twelve billion, eight hundred eighteen million, three hundred sixty-nine thousand, six hundred three".