12458782844 has 6 divisors (see below), whose sum is σ = 21802869984. Its totient is φ = 6229391420.

The previous prime is 12458782837. The next prime is 12458782883. The reversal of 12458782844 is 44828785421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1557347852 + ... + 1557347859.

It is an arithmetic number, because the mean of its divisors is an integer number (3633811664).

Almost surely, 2^12458782844 is an apocalyptic number.

It is an amenable number.

12458782844 is a deficient number, since it is larger than the sum of its proper divisors (9344087140).

12458782844 is a wasteful number, since it uses less digits than its factorization.

12458782844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3114695715 (or 3114695713 counting only the distinct ones).

The product of its digits is 4587520, while the sum is 53.

The spelling of 12458782844 in words is "twelve billion, four hundred fifty-eight million, seven hundred eighty-two thousand, eight hundred forty-four".