13002384781 has 2 divisors, whose sum is σ = 13002384782. Its totient is φ = 13002384780.

The previous prime is 13002384767. The next prime is 13002384821. The reversal of 13002384781 is 18748320031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10784822500 + 2217562281 = 103850^2 + 47091^2 .

It is a cyclic number.

It is not a de Polignac number, because 13002384781 - 2¹¹ = 13002382733 is a prime.

It is a super-2 number, since 2×13002384781² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13002384781.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13002384751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6501192390 + 6501192391.

It is an arithmetic number, because the mean of its divisors is an integer number (6501192391).

Almost surely, 2^13002384781 is an apocalyptic number.

It is an amenable number.

13002384781 is a deficient number, since it is larger than the sum of its proper divisors (1).

13002384781 is an equidigital number, since it uses as much as digits as its factorization.

13002384781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 13002384781 in words is "thirteen billion, two million, three hundred eighty-four thousand, seven hundred eighty-one".