13353882481 has 9 divisors (see below), whose sum is σ = 13547876619. Its totient is φ = 13162632336.

The previous prime is 13353882467. The next prime is 13353882557. The reversal of 13353882481 is 18428835331.

The square root of 13353882481 is 115559.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7580314225 + 5773568256 = 87065^2 + 75984^2 .

It is not a de Polignac number, because 13353882481 - 2⁹ = 13353881969 is a prime.

It is a super-2 number, since 2×13353882481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13353882181) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8435016 + ... + 8436598.

Almost surely, 2^13353882481 is an apocalyptic number.

13353882481 is the 115559-th square number.

13353882481 is the 57780-th centered octagonal number.

It is an amenable number.

13353882481 is a deficient number, since it is larger than the sum of its proper divisors (193994138).

13353882481 is an frugal number, since it uses more digits than its factorization.

13353882481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312 (or 1656 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The spelling of 13353882481 in words is "thirteen billion, three hundred fifty-three million, eight hundred eighty-two thousand, four hundred eighty-one".