1336558961677 has 2 divisors, whose sum is σ = 1336558961678. Its totient is φ = 1336558961676.

The previous prime is 1336558961609. The next prime is 1336558961687. The reversal of 1336558961677 is 7761698556331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1042208224996 + 294350736681 = 1020886^2 + 542541^2 .

It is a cyclic number.

It is not a de Polignac number, because 1336558961677 - 2¹⁵ = 1336558928909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1336558961687) 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, 668279480838 + 668279480839.

It is an arithmetic number, because the mean of its divisors is an integer number (668279480839).

Almost surely, 2^{1336558961677} is an apocalyptic number.

It is an amenable number.

1336558961677 is a deficient number, since it is larger than the sum of its proper divisors (1).

1336558961677 is an equidigital number, since it uses as much as digits as its factorization.

1336558961677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 171460800, while the sum is 67.

The spelling of 1336558961677 in words is "one trillion, three hundred thirty-six billion, five hundred fifty-eight million, nine hundred sixty-one thousand, six hundred seventy-seven".