4090666689 has 12 divisors (see below), whose sum is σ = 5983536000. Its totient is φ = 2692590264.

The previous prime is 4090666639. The next prime is 4090666729. The reversal of 4090666689 is 9866660904.

It is a happy number.

It is not a de Polignac number, because 4090666689 - 2¹⁹ = 4090142401 is a prime.

It is a super-3 number, since 3×4090666689³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4090666639) 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, 2875989 + ... + 2877410.

It is an arithmetic number, because the mean of its divisors is an integer number (498628000).

Almost surely, 2^4090666689 is an apocalyptic number.

It is an amenable number.

4090666689 is a deficient number, since it is larger than the sum of its proper divisors (1892869311).

4090666689 is a wasteful number, since it uses less digits than its factorization.

4090666689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5753484 (or 5753481 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The square root of 4090666689 is about 63958.3199357206. The cubic root of 4090666689 is about 1599.3052568397.

The spelling of 4090666689 in words is "four billion, ninety million, six hundred sixty-six thousand, six hundred eighty-nine".