8366782052513 has 2 divisors, whose sum is σ = 8366782052514. Its totient is φ = 8366782052512.

The previous prime is 8366782052479. The next prime is 8366782052549. The reversal of 8366782052513 is 3152502876638.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6782524331584 + 1584257720929 = 2604328^2 + 1258673^2 .

It is a cyclic number.

It is not a de Polignac number, because 8366782052513 - 2¹⁰ = 8366782051489 is a prime.

It is not a weakly prime, because it can be changed into another prime (8366782054513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4183391026256 + 4183391026257.

It is an arithmetic number, because the mean of its divisors is an integer number (4183391026257).

Almost surely, 2^{8366782052513} is an apocalyptic number.

It is an amenable number.

8366782052513 is a deficient number, since it is larger than the sum of its proper divisors (1).

8366782052513 is an equidigital number, since it uses as much as digits as its factorization.

8366782052513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 8366782052513 in words is "eight trillion, three hundred sixty-six billion, seven hundred eighty-two million, fifty-two thousand, five hundred thirteen".