12849857604 has 24 divisors (see below), whose sum is σ = 33314445920. Its totient is φ = 4283285832.

The previous prime is 12849857591. The next prime is 12849857621. The reversal of 12849857604 is 40675894821.

It is a happy number.

12849857604 is a `hidden beast` number, since 1 + 28 + 4 + 9 + 8 + 5 + 7 + 604 = 666.

12849857604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59489974 + ... + 59490189.

Almost surely, 2^12849857604 is an apocalyptic number.

It is an amenable number.

12849857604 is an abundant number, since it is smaller than the sum of its proper divisors (20464588316).

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

12849857604 is a wasteful number, since it uses less digits than its factorization.

12849857604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118980176 (or 118980168 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 12849857604 in words is "twelve billion, eight hundred forty-nine million, eight hundred fifty-seven thousand, six hundred four".