8889367368961 has 2 divisors, whose sum is σ = 8889367368962. Its totient is φ = 8889367368960.

The previous prime is 8889367368929. The next prime is 8889367368967. The reversal of 8889367368961 is 1698637639888.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8498391040000 + 390976328961 = 2915200^2 + 625281^2 .

It is a cyclic number.

It is not a de Polignac number, because 8889367368961 - 2⁵ = 8889367368929 is a prime.

It is a super-2 number, since 2×8889367368961² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8889367368967) 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, 4444683684480 + 4444683684481.

It is an arithmetic number, because the mean of its divisors is an integer number (4444683684481).

Almost surely, 2^{8889367368961} is an apocalyptic number.

It is an amenable number.

8889367368961 is a deficient number, since it is larger than the sum of its proper divisors (1).

8889367368961 is an equidigital number, since it uses as much as digits as its factorization.

8889367368961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4514807808, while the sum is 82.

The spelling of 8889367368961 in words is "eight trillion, eight hundred eighty-nine billion, three hundred sixty-seven million, three hundred sixty-eight thousand, nine hundred sixty-one".