13649758388 has 48 divisors (see below), whose sum is σ = 30162150144. Its totient is φ = 5266398720.

The previous prime is 13649758357. The next prime is 13649758519. The reversal of 13649758388 is 88385794631.

13649758388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×13649758388³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13649758388.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 612443 + ... + 634338.

It is an arithmetic number, because the mean of its divisors is an integer number (628378128).

Almost surely, 2^13649758388 is an apocalyptic number.

It is an amenable number.

13649758388 is an abundant number, since it is smaller than the sum of its proper divisors (16512391756).

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

13649758388 is a wasteful number, since it uses less digits than its factorization.

13649758388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246832 (or 1246830 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 62.

The spelling of 13649758388 in words is "thirteen billion, six hundred forty-nine million, seven hundred fifty-eight thousand, three hundred eighty-eight".