8344568465 has 16 divisors (see below), whose sum is σ = 10047013200. Its totient is φ = 6653337600.

The previous prime is 8344568377. The next prime is 8344568497. The reversal of 8344568465 is 5648654438.

It can be written as a sum of positive squares in 8 ways, for example, as 725548096 + 7619020369 = 26936^2 + 87287^2 .

It is not a de Polignac number, because 8344568465 - 2¹² = 8344564369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2919317 + ... + 2922173.

It is an arithmetic number, because the mean of its divisors is an integer number (627938325).

Almost surely, 2^8344568465 is an apocalyptic number.

It is an amenable number.

8344568465 is a deficient number, since it is larger than the sum of its proper divisors (1702444735).

8344568465 is a wasteful number, since it uses less digits than its factorization.

8344568465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4612.

The product of its digits is 11059200, while the sum is 53.

The square root of 8344568465 is about 91348.6095405945. The cubic root of 8344568465 is about 2028.3113805700.

The spelling of 8344568465 in words is "eight billion, three hundred forty-four million, five hundred sixty-eight thousand, four hundred sixty-five".