13485408749 has 8 divisors (see below), whose sum is σ = 13588161600. Its totient is φ = 13383036576.

The previous prime is 13485408733. The next prime is 13485408779. The reversal of 13485408749 is 94780458431.

13485408749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13485408749 - 2⁴ = 13485408733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13485408749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13485408709) 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 7 ways as a sum of consecutive naturals, for example, 23849 + ... + 165950.

It is an arithmetic number, because the mean of its divisors is an integer number (1698520200).

Almost surely, 2^13485408749 is an apocalyptic number.

It is an amenable number.

13485408749 is a deficient number, since it is larger than the sum of its proper divisors (102752851).

13485408749 is a wasteful number, since it uses less digits than its factorization.

13485408749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190339.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 13485408749 in words is "thirteen billion, four hundred eighty-five million, four hundred eight thousand, seven hundred forty-nine".