12958854849 has 16 divisors (see below), whose sum is σ = 19200162240. Its totient is φ = 8638400160.

The previous prime is 12958854773. The next prime is 12958854863. The reversal of 12958854849 is 94845885921.

12958854849 is a `hidden beast` number, since 1 + 2 + 9 + 5 + 88 + 548 + 4 + 9 = 666.

It is not a de Polignac number, because 12958854849 - 2⁷ = 12958854721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12958854869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402934 + ... + 433904.

It is an arithmetic number, because the mean of its divisors is an integer number (1200010140).

Almost surely, 2^12958854849 is an apocalyptic number.

It is an amenable number.

12958854849 is a deficient number, since it is larger than the sum of its proper divisors (6241307391).

12958854849 is a wasteful number, since it uses less digits than its factorization.

12958854849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46477 (or 46471 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 63.

The spelling of 12958854849 in words is "twelve billion, nine hundred fifty-eight million, eight hundred fifty-four thousand, eight hundred forty-nine".