13949045860 has 24 divisors (see below), whose sum is σ = 29694273336. Its totient is φ = 5503184640.

The previous prime is 13949045839. The next prime is 13949045867. The reversal of 13949045860 is 6854094931.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 57123364 + 13891922496 = 7558^2 + 117864^2 .

It is not an unprimeable number, because it can be changed into a prime (13949045867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4775611 + ... + 4778530.

It is an arithmetic number, because the mean of its divisors is an integer number (1237261389).

Almost surely, 2^13949045860 is an apocalyptic number.

13949045860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13949045860 is an abundant number, since it is smaller than the sum of its proper divisors (15745227476).

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

13949045860 is a wasteful number, since it uses less digits than its factorization.

13949045860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9554223 (or 9554221 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 13949045860 in words is "thirteen billion, nine hundred forty-nine million, forty-five thousand, eight hundred sixty".