8540468653 has 8 divisors (see below), whose sum is σ = 9235251072. Its totient is φ = 7867064256.

The previous prime is 8540468641. The next prime is 8540468711. The reversal of 8540468653 is 3568640458.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8540468653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8540468597 and 8540468606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8540468623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5343675 + ... + 5345272.

It is an arithmetic number, because the mean of its divisors is an integer number (1154406384).

Almost surely, 2^8540468653 is an apocalyptic number.

It is an amenable number.

8540468653 is a deficient number, since it is larger than the sum of its proper divisors (694782419).

8540468653 is a wasteful number, since it uses less digits than its factorization.

8540468653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10689011.

The product of its (nonzero) digits is 2764800, while the sum is 49.

The square root of 8540468653 is about 92414.6560508667. The cubic root of 8540468653 is about 2044.0612300755.

The spelling of 8540468653 in words is "eight billion, five hundred forty million, four hundred sixty-eight thousand, six hundred fifty-three".