13349282546981 has 2 divisors, whose sum is σ = 13349282546982. Its totient is φ = 13349282546980.

The previous prime is 13349282546837. The next prime is 13349282547001. The reversal of 13349282546981 is 18964528294331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12665527205956 + 683755341025 = 3558866^2 + 826895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13349282546981 is a prime.

It is a super-2 number, since 2×13349282546981² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13349282546681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6674641273490 + 6674641273491.

It is an arithmetic number, because the mean of its divisors is an integer number (6674641273491).

Almost surely, 2^{13349282546981} is an apocalyptic number.

It is an amenable number.

13349282546981 is a deficient number, since it is larger than the sum of its proper divisors (1).

13349282546981 is an equidigital number, since it uses as much as digits as its factorization.

13349282546981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 89579520, while the sum is 65.

The spelling of 13349282546981 in words is "thirteen trillion, three hundred forty-nine billion, two hundred eighty-two million, five hundred forty-six thousand, nine hundred eighty-one".