12785849004 has 24 divisors (see below), whose sum is σ = 29836527280. Its totient is φ = 4261538304.

The previous prime is 12785848993. The next prime is 12785849023. The reversal of 12785849004 is 40094858721.

It is a happy 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, 94692 + ... + 185844.

Almost surely, 2^12785849004 is an apocalyptic number.

It is an amenable number.

12785849004 is an abundant number, since it is smaller than the sum of its proper divisors (17050678276).

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

12785849004 is a wasteful number, since it uses less digits than its factorization.

12785849004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102849 (or 102847 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 12785849004 in words is "twelve billion, seven hundred eighty-five million, eight hundred forty-nine thousand, four".