8266491453 has 16 divisors (see below), whose sum is σ = 12047003136. Its totient is φ = 5000405040.

The previous prime is 8266491449. The next prime is 8266491473. The reversal of 8266491453 is 3541946628.

It is not a de Polignac number, because 8266491453 - 2² = 8266491449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8266491473) 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 in 15 ways as a sum of consecutive naturals, for example, 222225 + ... + 256742.

It is an arithmetic number, because the mean of its divisors is an integer number (752937696).

Almost surely, 2^8266491453 is an apocalyptic number.

It is an amenable number.

8266491453 is a deficient number, since it is larger than the sum of its proper divisors (3780511683).

8266491453 is a wasteful number, since it uses less digits than its factorization.

8266491453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479504.

The product of its digits is 1244160, while the sum is 48.

The square root of 8266491453 is about 90920.2477614310. The cubic root of 8266491453 is about 2021.9654964023.

The spelling of 8266491453 in words is "eight billion, two hundred sixty-six million, four hundred ninety-one thousand, four hundred fifty-three".