8531696443 has 4 divisors (see below), whose sum is σ = 8532811728. Its totient is φ = 8530581160.

The previous prime is 8531696431. The next prime is 8531696447. The reversal of 8531696443 is 3446961358.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3446961358 = 2 ⋅1723480679.

It is a cyclic number.

It is not a de Polignac number, because 8531696443 - 2¹³ = 8531688251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8531696447) 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, 546088 + ... + 561493.

It is an arithmetic number, because the mean of its divisors is an integer number (2133202932).

Almost surely, 2^8531696443 is an apocalyptic number.

8531696443 is a deficient number, since it is larger than the sum of its proper divisors (1115285).

8531696443 is a wasteful number, since it uses less digits than its factorization.

8531696443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115284.

The product of its digits is 1866240, while the sum is 49.

The square root of 8531696443 is about 92367.1827165904. The cubic root of 8531696443 is about 2043.3611483915.

The spelling of 8531696443 in words is "eight billion, five hundred thirty-one million, six hundred ninety-six thousand, four hundred forty-three".