3629984909 has 4 divisors (see below), whose sum is σ = 3637117020. Its totient is φ = 3622852800.

The previous prime is 3629984881. The next prime is 3629984977. The reversal of 3629984909 is 9094899263.

3629984909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1787429284 + 1842555625 = 42278^2 + 42925^2 .

It is a cyclic number.

It is not a de Polignac number, because 3629984909 - 2¹² = 3629980813 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3629984209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3565292 + ... + 3566309.

It is an arithmetic number, because the mean of its divisors is an integer number (909279255).

Almost surely, 2^3629984909 is an apocalyptic number.

It is an amenable number.

3629984909 is a deficient number, since it is larger than the sum of its proper divisors (7132111).

3629984909 is an equidigital number, since it uses as much as digits as its factorization.

3629984909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7132110.

The product of its (nonzero) digits is 7558272, while the sum is 59.

The square root of 3629984909 is about 60249.3560878455. The cubic root of 3629984909 is about 1536.8622383568.

The spelling of 3629984909 in words is "three billion, six hundred twenty-nine million, nine hundred eighty-four thousand, nine hundred nine".