12473489839 has 4 divisors (see below), whose sum is σ = 12810611224. Its totient is φ = 12136368456.

The previous prime is 12473489813. The next prime is 12473489867. The reversal of 12473489839 is 93898437421.

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 12473489839 - 2¹⁹ = 12472965551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12473489869) 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, 168560637 + ... + 168560710.

It is an arithmetic number, because the mean of its divisors is an integer number (3202652806).

Almost surely, 2^12473489839 is an apocalyptic number.

12473489839 is a deficient number, since it is larger than the sum of its proper divisors (337121385).

12473489839 is an equidigital number, since it uses as much as digits as its factorization.

12473489839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337121384.

The product of its digits is 10450944, while the sum is 58.

The spelling of 12473489839 in words is "twelve billion, four hundred seventy-three million, four hundred eighty-nine thousand, eight hundred thirty-nine".