889349448971 has 2 divisors, whose sum is σ = 889349448972. Its totient is φ = 889349448970.

The previous prime is 889349448877. The next prime is 889349449063. The reversal of 889349448971 is 179844943988.

889349448971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-889349448971 is a prime.

It is not a weakly prime, because it can be changed into another prime (889349448371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444674724485 + 444674724486.

It is an arithmetic number, because the mean of its divisors is an integer number (444674724486).

Almost surely, 2^889349448971 is an apocalyptic number.

889349448971 is a deficient number, since it is larger than the sum of its proper divisors (1).

889349448971 is an equidigital number, since it uses as much as digits as its factorization.

889349448971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 501645312, while the sum is 74.

The spelling of 889349448971 in words is "eight hundred eighty-nine billion, three hundred forty-nine million, four hundred forty-eight thousand, nine hundred seventy-one".