13949652808 has 96 divisors (see below), whose sum is σ = 33135593400. Its totient is φ = 5456360448.

The previous prime is 13949652803. The next prime is 13949652907. The reversal of 13949652808 is 80825694931.

It can be written as a sum of positive squares in 4 ways, for example, as 6815823364 + 7133829444 = 82558^2 + 84462^2 .

It is a super-3 number, since 3×13949652808³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13949652803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 438166 + ... + 468922.

Almost surely, 2^13949652808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13949652808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16567796700).

13949652808 is an abundant number, since it is smaller than the sum of its proper divisors (19185940592).

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

13949652808 is a wasteful number, since it uses less digits than its factorization.

13949652808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30879 (or 30868 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 13949652808 in words is "thirteen billion, nine hundred forty-nine million, six hundred fifty-two thousand, eight hundred eight".