13439869852 has 48 divisors (see below), whose sum is σ = 24519398400. Its totient is φ = 6438136320.

The previous prime is 13439869789. The next prime is 13439869867. The reversal of 13439869852 is 25896893431.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10173352 + ... + 10174672.

It is an arithmetic number, because the mean of its divisors is an integer number (510820800).

Almost surely, 2^13439869852 is an apocalyptic number.

It is an amenable number.

13439869852 is a deficient number, since it is larger than the sum of its proper divisors (11079528548).

13439869852 is a wasteful number, since it uses less digits than its factorization.

13439869852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966 (or 1964 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 58.

The spelling of 13439869852 in words is "thirteen billion, four hundred thirty-nine million, eight hundred sixty-nine thousand, eight hundred fifty-two".