4099565655 has 64 divisors (see below), whose sum is σ = 7619512320. Its totient is φ = 2087382528.

The previous prime is 4099565651. The next prime is 4099565663. The reversal of 4099565655 is 5565659904.

It is not a de Polignac number, because 4099565655 - 2² = 4099565651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4099565651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2306127 + ... + 2307903.

It is an arithmetic number, because the mean of its divisors is an integer number (119054880).

Almost surely, 2^4099565655 is an apocalyptic number.

4099565655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4099565655 is a deficient number, since it is larger than the sum of its proper divisors (3519946665).

4099565655 is a wasteful number, since it uses less digits than its factorization.

4099565655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557 (or 2551 counting only the distinct ones).

The product of its (nonzero) digits is 7290000, while the sum is 54.

The square root of 4099565655 is about 64027.8506198670. The cubic root of 4099565655 is about 1600.4641433386.

The spelling of 4099565655 in words is "four billion, ninety-nine million, five hundred sixty-five thousand, six hundred fifty-five".