4099665699 has 12 divisors (see below), whose sum is σ = 6033470976. Its totient is φ = 2681542032.

The previous prime is 4099665697. The next prime is 4099665733. The reversal of 4099665699 is 9965669904.

4099665699 is a `hidden beast` number, since 4 + 0 + 9 + 9 + 66 + 569 + 9 = 666.

It is not a de Polignac number, because 4099665699 - 2¹ = 4099665697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4099665697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4296867 + ... + 4297820.

It is an arithmetic number, because the mean of its divisors is an integer number (502789248).

Almost surely, 2^4099665699 is an apocalyptic number.

4099665699 is a deficient number, since it is larger than the sum of its proper divisors (1933805277).

4099665699 is a wasteful number, since it uses less digits than its factorization.

4099665699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8594746 (or 8594743 counting only the distinct ones).

The product of its (nonzero) digits is 28343520, while the sum is 63.

The square root of 4099665699 is about 64028.6318688757. The cubic root of 4099665699 is about 1600.4771622408.

The spelling of 4099665699 in words is "four billion, ninety-nine million, six hundred sixty-five thousand, six hundred ninety-nine".