12489414356 has 12 divisors (see below), whose sum is σ = 21862510068. Its totient is φ = 6242982912.

The previous prime is 12489414271. The next prime is 12489414367. The reversal of 12489414356 is 65341498421.

It can be written as a sum of positive squares in 2 ways, for example, as 3078474256 + 9410940100 = 55484^2 + 97010^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12489414356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414701 + ... + 443796.

It is an arithmetic number, because the mean of its divisors is an integer number (1821875839).

Almost surely, 2^12489414356 is an apocalyptic number.

It is an amenable number.

12489414356 is a deficient number, since it is larger than the sum of its proper divisors (9373095712).

12489414356 is a wasteful number, since it uses less digits than its factorization.

12489414356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862138 (or 862136 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The spelling of 12489414356 in words is "twelve billion, four hundred eighty-nine million, four hundred fourteen thousand, three hundred fifty-six".