3630958409 has 12 divisors (see below), whose sum is σ = 3934608336. Its totient is φ = 3349215792.

The previous prime is 3630958391. The next prime is 3630958433. The reversal of 3630958409 is 9048590363.

It is not a de Polignac number, because 3630958409 - 2¹⁶ = 3630892873 is a prime.

It is a super-2 number, since 2×3630958409² = 26367717935775622562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3630958439) 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, 250334 + ... + 264440.

It is an arithmetic number, because the mean of its divisors is an integer number (327884028).

Almost surely, 2^3630958409 is an apocalyptic number.

It is an amenable number.

3630958409 is a deficient number, since it is larger than the sum of its proper divisors (303649927).

3630958409 is a wasteful number, since it uses less digits than its factorization.

3630958409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15656 (or 15643 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 3630958409 is about 60257.4344707771. The cubic root of 3630958409 is about 1536.9996128179. Note that the first 3 decimals are identical.

The spelling of 3630958409 in words is "three billion, six hundred thirty million, nine hundred fifty-eight thousand, four hundred nine".