12782389146 has 8 divisors (see below), whose sum is σ = 25564778304. Its totient is φ = 4260796380.

The previous prime is 12782389051. The next prime is 12782389163. The reversal of 12782389146 is 64198328721.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

12782389146 is an admirable 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, 1065199090 + ... + 1065199101.

It is an arithmetic number, because the mean of its divisors is an integer number (3195597288).

Almost surely, 2^12782389146 is an apocalyptic number.

12782389146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12782389146 is a wasteful number, since it uses less digits than its factorization.

12782389146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130398196.

The product of its digits is 1161216, while the sum is 51.

The spelling of 12782389146 in words is "twelve billion, seven hundred eighty-two million, three hundred eighty-nine thousand, one hundred forty-six".