889215069361 has 2 divisors, whose sum is σ = 889215069362. Its totient is φ = 889215069360.

The previous prime is 889215069329. The next prime is 889215069517. The reversal of 889215069361 is 163960512988.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 824747320336 + 64467749025 = 908156^2 + 253905^2 .

It is a cyclic number.

It is not a de Polignac number, because 889215069361 - 2⁵ = 889215069329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 889215069296 and 889215069305.

It is not a weakly prime, because it can be changed into another prime (889215069961) 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, 444607534680 + 444607534681.

It is an arithmetic number, because the mean of its divisors is an integer number (444607534681).

Almost surely, 2^889215069361 is an apocalyptic number.

It is an amenable number.

889215069361 is a deficient number, since it is larger than the sum of its proper divisors (1).

889215069361 is an equidigital number, since it uses as much as digits as its factorization.

889215069361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 58.

The spelling of 889215069361 in words is "eight hundred eighty-nine billion, two hundred fifteen million, sixty-nine thousand, three hundred sixty-one".