8045691453 has 12 divisors (see below), whose sum is σ = 11624390908. Its totient is φ = 5362485120.

The previous prime is 8045691413. The next prime is 8045691491. The reversal of 8045691453 is 3541965408.

8045691453 is a `hidden beast` number, since 80 + 4 + 569 + 1 + 4 + 5 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4519469529 + 3526221924 = 67227^2 + 59382^2 .

It is not a de Polignac number, because 8045691453 - 2⁶ = 8045691389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8045691399 and 8045691408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8045691413) 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, 69418 + ... + 144603.

Almost surely, 2^8045691453 is an apocalyptic number.

It is an amenable number.

8045691453 is a deficient number, since it is larger than the sum of its proper divisors (3578699455).

8045691453 is a wasteful number, since it uses less digits than its factorization.

8045691453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218204 (or 218201 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 8045691453 is about 89697.7784173053. The cubic root of 8045691453 is about 2003.8003950081.

The spelling of 8045691453 in words is "eight billion, forty-five million, six hundred ninety-one thousand, four hundred fifty-three".