13593461281 has 9 divisors (see below), whose sum is σ = 14049840819. Its totient is φ = 13151464800.

The previous prime is 13593461269. The next prime is 13593461293. The reversal of 13593461281 is 18216439531.

The square root of 13593461281 is 116591.

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

It is an interprime number because it is at equal distance from previous prime (13593461269) and next prime (13593461293).

It can be written as a sum of positive squares in only one way, i.e., 6059221281 + 7534240000 = 77841^2 + 86800^2 .

It is not a de Polignac number, because 13593461281 - 2¹³ = 13593453089 is a prime.

It is a super-2 number, since 2×13593461281² (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 (13593561281) 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, 3612441 + ... + 3616201.

Almost surely, 2^13593461281 is an apocalyptic number.

13593461281 is the 116591-st square number.

13593461281 is the 58296-th centered octagonal number.

It is an amenable number.

13593461281 is a deficient number, since it is larger than the sum of its proper divisors (456379538).

13593461281 is an frugal number, since it uses more digits than its factorization.

13593461281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7584 (or 3792 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The spelling of 13593461281 in words is "thirteen billion, five hundred ninety-three million, four hundred sixty-one thousand, two hundred eighty-one".