3630865907 has 6 divisors (see below), whose sum is σ = 3731651028. Its totient is φ = 3532733064.

The previous prime is 3630865873. The next prime is 3630865919. The reversal of 3630865907 is 7095680363.

It is not a de Polignac number, because 3630865907 - 2²² = 3626671603 is a prime.

It is a super-2 number, since 2×3630865907² = 26366374469229865298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3630865937) 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 5 ways as a sum of consecutive naturals, for example, 1324733 + ... + 1327470.

It is an arithmetic number, because the mean of its divisors is an integer number (621941838).

Almost surely, 2^3630865907 is an apocalyptic number.

3630865907 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3630865907 is a deficient number, since it is larger than the sum of its proper divisors (100785121).

3630865907 is an equidigital number, since it uses as much as digits as its factorization.

3630865907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652277 (or 2652240 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 3630865907 is about 60256.6669091479. Note that the first 3 decimals coincide. The cubic root of 3630865907 is about 1536.9865605482.

The spelling of 3630865907 in words is "three billion, six hundred thirty million, eight hundred sixty-five thousand, nine hundred seven".