13553540068 has 12 divisors (see below), whose sum is σ = 24297200172. Its totient is φ = 6611482880.

The previous prime is 13553540059. The next prime is 13553540083. The reversal of 13553540068 is 86004535531.

It can be written as a sum of positive squares in 2 ways, for example, as 7582578084 + 5970961984 = 87078^2 + 77272^2 .

It is a super-3 number, since 3×13553540068³ (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 13553540068.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41321605 + ... + 41321932.

It is an arithmetic number, because the mean of its divisors is an integer number (2024766681).

Almost surely, 2^13553540068 is an apocalyptic number.

It is an amenable number.

13553540068 is a deficient number, since it is larger than the sum of its proper divisors (10743660104).

13553540068 is a wasteful number, since it uses less digits than its factorization.

13553540068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82643582 (or 82643580 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 13553540068 in words is "thirteen billion, five hundred fifty-three million, five hundred forty thousand, sixty-eight".