4099605669 has 16 divisors (see below), whose sum is σ = 6076751040. Its totient is φ = 2731602960.

The previous prime is 4099605667. The next prime is 4099605683. The reversal of 4099605669 is 9665069904.

It is a happy number.

It is not a de Polignac number, because 4099605669 - 2¹ = 4099605667 is a prime.

It is a super-2 number, since 2×4099605669² = 33613533282593875122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4099605667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11679 + ... + 91299.

It is an arithmetic number, because the mean of its divisors is an integer number (379796940).

Almost surely, 2^4099605669 is an apocalyptic number.

It is an amenable number.

4099605669 is a deficient number, since it is larger than the sum of its proper divisors (1977145371).

4099605669 is a wasteful number, since it uses less digits than its factorization.

4099605669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81537 (or 81531 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The square root of 4099605669 is about 64028.1630925017. The cubic root of 4099605669 is about 1600.4693504564.

The spelling of 4099605669 in words is "four billion, ninety-nine million, six hundred five thousand, six hundred sixty-nine".