12473489838 has 16 divisors (see below), whose sum is σ = 25369810560. Its totient is φ = 4087358136.

The previous prime is 12473489813. The next prime is 12473489867. The reversal of 12473489838 is 83898437421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17617570 + ... + 17618277.

It is an arithmetic number, because the mean of its divisors is an integer number (1585613160).

Almost surely, 2^12473489838 is an apocalyptic number.

12473489838 is an abundant number, since it is smaller than the sum of its proper divisors (12896320722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12473489838 is a wasteful number, since it uses less digits than its factorization.

12473489838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35235911.

The product of its digits is 9289728, while the sum is 57.

The spelling of 12473489838 in words is "twelve billion, four hundred seventy-three million, four hundred eighty-nine thousand, eight hundred thirty-eight".