889855488593 has 2 divisors, whose sum is σ = 889855488594. Its totient is φ = 889855488592.

The previous prime is 889855488553. The next prime is 889855488623. The reversal of 889855488593 is 395884558988.

889855488593 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 can be written as a sum of positive squares in only one way, i.e., 830817666064 + 59037822529 = 911492^2 + 242977^2 .

It is a cyclic number.

It is not a de Polignac number, because 889855488593 - 2¹⁰ = 889855487569 is a prime.

It is not a weakly prime, because it can be changed into another prime (889855488553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444927744296 + 444927744297.

It is an arithmetic number, because the mean of its divisors is an integer number (444927744297).

Almost surely, 2^889855488593 is an apocalyptic number.

It is an amenable number.

889855488593 is a deficient number, since it is larger than the sum of its proper divisors (1).

889855488593 is an equidigital number, since it uses as much as digits as its factorization.

889855488593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3981312000, while the sum is 80.

The spelling of 889855488593 in words is "eight hundred eighty-nine billion, eight hundred fifty-five million, four hundred eighty-eight thousand, five hundred ninety-three".