8564433941 has 4 divisors (see below), whose sum is σ = 9787924512. Its totient is φ = 7340943372.

The previous prime is 8564433937. The next prime is 8564433959. The reversal of 8564433941 is 1493344658.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8564433941 - 2² = 8564433937 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 (8564433041) 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, 611745275 + ... + 611745288.

It is an arithmetic number, because the mean of its divisors is an integer number (2446981128).

Almost surely, 2^8564433941 is an apocalyptic number.

It is an amenable number.

8564433941 is a deficient number, since it is larger than the sum of its proper divisors (1223490571).

8564433941 is a wasteful number, since it uses less digits than its factorization.

8564433941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223490570.

The product of its digits is 1244160, while the sum is 47.

The square root of 8564433941 is about 92544.2269458230. The cubic root of 8564433941 is about 2045.9713815840.

The spelling of 8564433941 in words is "eight billion, five hundred sixty-four million, four hundred thirty-three thousand, nine hundred forty-one".