13749526099 has 4 divisors (see below), whose sum is σ = 13784160064. Its totient is φ = 13714892136.

The previous prime is 13749526093. The next prime is 13749526181. The reversal of 13749526099 is 99062594731.

It is a happy number.

13749526099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99062594731 = 6257 ⋅15832283.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13749526099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13749526093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17316387 + ... + 17317180.

It is an arithmetic number, because the mean of its divisors is an integer number (3446040016).

Almost surely, 2^13749526099 is an apocalyptic number.

13749526099 is a deficient number, since it is larger than the sum of its proper divisors (34633965).

13749526099 is an equidigital number, since it uses as much as digits as its factorization.

13749526099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34633964.

The product of its (nonzero) digits is 3674160, while the sum is 55.

The spelling of 13749526099 in words is "thirteen billion, seven hundred forty-nine million, five hundred twenty-six thousand, ninety-nine".