889421313799 has 2 divisors, whose sum is σ = 889421313800. Its totient is φ = 889421313798.

The previous prime is 889421313779. The next prime is 889421313817. The reversal of 889421313799 is 997313124988.

889421313799 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-889421313799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 889421313799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (889421313779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444710656899 + 444710656900.

It is an arithmetic number, because the mean of its divisors is an integer number (444710656900).

Almost surely, 2^889421313799 is an apocalyptic number.

889421313799 is a deficient number, since it is larger than the sum of its proper divisors (1).

889421313799 is an equidigital number, since it uses as much as digits as its factorization.

889421313799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23514624, while the sum is 64.

The spelling of 889421313799 in words is "eight hundred eighty-nine billion, four hundred twenty-one million, three hundred thirteen thousand, seven hundred ninety-nine".