3628738409 has 8 divisors (see below), whose sum is σ = 3635979840. Its totient is φ = 3621506416.

The previous prime is 3628738397. The next prime is 3628738411. The reversal of 3628738409 is 9048378263.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3628738409 - 2¹² = 3628734313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3628738459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1752827 + ... + 1754895.

It is an arithmetic number, because the mean of its divisors is an integer number (454497480).

Almost surely, 2^3628738409 is an apocalyptic number.

It is an amenable number.

3628738409 is a deficient number, since it is larger than the sum of its proper divisors (7241431).

3628738409 is a wasteful number, since it uses less digits than its factorization.

3628738409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The square root of 3628738409 is about 60239.0106907476. The cubic root of 3628738409 is about 1536.6863039156.

The spelling of 3628738409 in words is "three billion, six hundred twenty-eight million, seven hundred thirty-eight thousand, four hundred nine".