4006900209 has 16 divisors (see below), whose sum is σ = 5754641984. Its totient is φ = 2465294400.

The previous prime is 4006900207. The next prime is 4006900211. The reversal of 4006900209 is 9020096004.

It is an interprime number because it is at equal distance from previous prime (4006900207) and next prime (4006900211).

It is not a de Polignac number, because 4006900209 - 2¹ = 4006900207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4006900201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342954 + ... + 354444.

It is an arithmetic number, because the mean of its divisors is an integer number (359665124).

Almost surely, 2^4006900209 is an apocalyptic number.

It is an amenable number.

4006900209 is a deficient number, since it is larger than the sum of its proper divisors (1747741775).

4006900209 is a wasteful number, since it uses less digits than its factorization.

4006900209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20448.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 4006900209 is about 63300.0806397591. The cubic root of 4006900209 is about 1588.3133108565.

The spelling of 4006900209 in words is "four billion, six million, nine hundred thousand, two hundred nine".