13553638348 has 24 divisors (see below), whose sum is σ = 25648443072. Its totient is φ = 6242475264.

The previous prime is 13553638261. The next prime is 13553638349. The reversal of 13553638348 is 84383635531.

It is a super-2 number, since 2×13553638348² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13553638349) 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, 2117211 + ... + 2123602.

It is an arithmetic number, because the mean of its divisors is an integer number (1068685128).

Almost surely, 2^13553638348 is an apocalyptic number.

It is an amenable number.

13553638348 is a deficient number, since it is larger than the sum of its proper divisors (12094804724).

13553638348 is a wasteful number, since it uses less digits than its factorization.

13553638348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4240881 (or 4240879 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 49.

The spelling of 13553638348 in words is "thirteen billion, five hundred fifty-three million, six hundred thirty-eight thousand, three hundred forty-eight".