12489186790 has 16 divisors (see below), whose sum is σ = 22751387568. Its totient is φ = 4935485536.

The previous prime is 12489186779. The next prime is 12489186811. The reversal of 12489186790 is 9768198421.

It is a happy number.

12489186790 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 7522777 + ... + 7524436.

It is an arithmetic number, because the mean of its divisors is an integer number (1421961723).

Almost surely, 2^12489186790 is an apocalyptic number.

12489186790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12489186790 is a deficient number, since it is larger than the sum of its proper divisors (10262200778).

12489186790 is a wasteful number, since it uses less digits than its factorization.

12489186790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15047303.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 12489186790 in words is "twelve billion, four hundred eighty-nine million, one hundred eighty-six thousand, seven hundred ninety".