8453991133 has 4 divisors (see below), whose sum is σ = 9661704160. Its totient is φ = 7246278108.

The previous prime is 8453991131. The next prime is 8453991167. The reversal of 8453991133 is 3311993548.

8453991133 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8453991133 - 2¹ = 8453991131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8453991131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603856503 + ... + 603856516.

It is an arithmetic number, because the mean of its divisors is an integer number (2415426040).

Almost surely, 2^8453991133 is an apocalyptic number.

It is an amenable number.

8453991133 is a deficient number, since it is larger than the sum of its proper divisors (1207713027).

8453991133 is a wasteful number, since it uses less digits than its factorization.

8453991133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207713026.

The product of its digits is 349920, while the sum is 46.

The square root of 8453991133 is about 91945.5878930577. The cubic root of 8453991133 is about 2037.1386847383.

The spelling of 8453991133 in words is "eight billion, four hundred fifty-three million, nine hundred ninety-one thousand, one hundred thirty-three".