13568249348 has 12 divisors (see below), whose sum is σ = 23750150172. Its totient is φ = 6782492160.

The previous prime is 13568249347. The next prime is 13568249371. The reversal of 13568249348 is 84394286531.

It can be written as a sum of positive squares in 2 ways, for example, as 12100440004 + 1467809344 = 110002^2 + 38312^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13568249348.

It is not an unprimeable number, because it can be changed into a prime (13568249347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389333 + ... + 422748.

It is an arithmetic number, because the mean of its divisors is an integer number (1979179181).

Almost surely, 2^13568249348 is an apocalyptic number.

It is an amenable number.

13568249348 is a deficient number, since it is larger than the sum of its proper divisors (10181900824).

13568249348 is a wasteful number, since it uses less digits than its factorization.

13568249348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816262 (or 816260 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 53.

The spelling of 13568249348 in words is "thirteen billion, five hundred sixty-eight million, two hundred forty-nine thousand, three hundred forty-eight".