8539465663 has 4 divisors (see below), whose sum is σ = 8540261208. Its totient is φ = 8538670120.

The previous prime is 8539465661. The next prime is 8539465681. The reversal of 8539465663 is 3665649358.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8539465663 - 2¹ = 8539465661 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 (8539465661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381448 + ... + 403213.

It is an arithmetic number, because the mean of its divisors is an integer number (2135065302).

Almost surely, 2^8539465663 is an apocalyptic number.

8539465663 is a deficient number, since it is larger than the sum of its proper divisors (795545).

8539465663 is a wasteful number, since it uses less digits than its factorization.

8539465663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795544.

The product of its digits is 13996800, while the sum is 55.

The square root of 8539465663 is about 92409.2293172062. The cubic root of 8539465663 is about 2043.9812089698.

The spelling of 8539465663 in words is "eight billion, five hundred thirty-nine million, four hundred sixty-five thousand, six hundred sixty-three".