8549665622 has 4 divisors (see below), whose sum is σ = 12824498436. Its totient is φ = 4274832810.

The previous prime is 8549665601. The next prime is 8549665637. The reversal of 8549665622 is 2265669458.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2137416404 + ... + 2137416407.

It is an arithmetic number, because the mean of its divisors is an integer number (3206124609).

Almost surely, 2^8549665622 is an apocalyptic number.

8549665622 is a deficient number, since it is larger than the sum of its proper divisors (4274832814).

8549665622 is a wasteful number, since it uses less digits than its factorization.

8549665622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4274832813.

The product of its digits is 6220800, while the sum is 53.

The square root of 8549665622 is about 92464.4019177110. The cubic root of 8549665622 is about 2044.7946958248.

The spelling of 8549665622 in words is "eight billion, five hundred forty-nine million, six hundred sixty-five thousand, six hundred twenty-two".