13949213208 has 64 divisors (see below), whose sum is σ = 41229216000. Its totient is φ = 3848057472.

The previous prime is 13949213207. The next prime is 13949213221. The reversal of 13949213208 is 80231294931.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 13949213208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13949213207) 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, 1426698 + ... + 1436441.

It is an arithmetic number, because the mean of its divisors is an integer number (644206500).

Almost surely, 2^13949213208 is an apocalyptic number.

It is an amenable number.

13949213208 is an abundant number, since it is smaller than the sum of its proper divisors (27280002792).

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

13949213208 is a wasteful number, since it uses less digits than its factorization.

13949213208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863184 (or 2863180 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 13949213208 in words is "thirteen billion, nine hundred forty-nine million, two hundred thirteen thousand, two hundred eight".