8281347453 has 12 divisors (see below), whose sum is σ = 11964091360. Its totient is φ = 5519908296.

The previous prime is 8281347449. The next prime is 8281347461. The reversal of 8281347453 is 3547431828.

8281347453 is a `hidden beast` number, since 82 + 81 + 3 + 47 + 453 = 666.

It is not a de Polignac number, because 8281347453 - 2² = 8281347449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8281347399 and 8281347408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8281347433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27601 + ... + 131622.

Almost surely, 2^8281347453 is an apocalyptic number.

It is an amenable number.

8281347453 is a deficient number, since it is larger than the sum of its proper divisors (3682743907).

8281347453 is a wasteful number, since it uses less digits than its factorization.

8281347453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165008 (or 165005 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 8281347453 is about 91001.9090623928. The cubic root of 8281347453 is about 2023.1760197634.

The spelling of 8281347453 in words is "eight billion, two hundred eighty-one million, three hundred forty-seven thousand, four hundred fifty-three".