4004536309 has 2 divisors, whose sum is σ = 4004536310. Its totient is φ = 4004536308.

The previous prime is 4004536301. The next prime is 4004536343. The reversal of 4004536309 is 9036354004.

It is a happy number.

It is an a-pointer prime, because the next prime (4004536343) can be obtained adding 4004536309 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3936935025 + 67601284 = 62745^2 + 8222^2 .

It is a cyclic number.

It is not a de Polignac number, because 4004536309 - 2³ = 4004536301 is a prime.

It is a super-2 number, since 2×4004536309² = 32072622100198686962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4004536301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2002268154 + 2002268155.

It is an arithmetic number, because the mean of its divisors is an integer number (2002268155).

Almost surely, 2^4004536309 is an apocalyptic number.

It is an amenable number.

4004536309 is a deficient number, since it is larger than the sum of its proper divisors (1).

4004536309 is an equidigital number, since it uses as much as digits as its factorization.

4004536309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 4004536309 is about 63281.4057128948. The cubic root of 4004536309 is about 1588.0009037391. Note that the first 3 decimals are identical.

The spelling of 4004536309 in words is "four billion, four million, five hundred thirty-six thousand, three hundred nine".