8564197453 has 8 divisors (see below), whose sum is σ = 10213204608. Its totient is φ = 7021577904.

The previous prime is 8564197441. The next prime is 8564197463. The reversal of 8564197453 is 3547914658.

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-8564197453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8564197453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8564197463) 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, 26596726 + ... + 26597047.

It is an arithmetic number, because the mean of its divisors is an integer number (1276650576).

Almost surely, 2^8564197453 is an apocalyptic number.

It is an amenable number.

8564197453 is a deficient number, since it is larger than the sum of its proper divisors (1649007155).

8564197453 is a wasteful number, since it uses less digits than its factorization.

8564197453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53193803.

The product of its digits is 3628800, while the sum is 52.

The square root of 8564197453 is about 92542.9492343960. The cubic root of 8564197453 is about 2045.9525497446.

The spelling of 8564197453 in words is "eight billion, five hundred sixty-four million, one hundred ninety-seven thousand, four hundred fifty-three".