889487453 has 2 divisors, whose sum is σ = 889487454. Its totient is φ = 889487452.

The previous prime is 889487429. The next prime is 889487471. The reversal of 889487453 is 354784988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 858607204 + 30880249 = 29302^2 + 5557^2 .

It is a cyclic number.

It is not a de Polignac number, because 889487453 - 2¹⁶ = 889421917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (889487483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444743726 + 444743727.

It is an arithmetic number, because the mean of its divisors is an integer number (444743727).

Almost surely, 2^889487453 is an apocalyptic number.

It is an amenable number.

889487453 is a deficient number, since it is larger than the sum of its proper divisors (1).

889487453 is an equidigital number, since it uses as much as digits as its factorization.

889487453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7741440, while the sum is 56.

The square root of 889487453 is about 29824.2762359793. The cubic root of 889487453 is about 961.7154848212.

The spelling of 889487453 in words is "eight hundred eighty-nine million, four hundred eighty-seven thousand, four hundred fifty-three".