3630865953 has 16 divisors (see below), whose sum is σ = 5687510976. Its totient is φ = 2031253440.

The previous prime is 3630865937. The next prime is 3630865957. The reversal of 3630865953 is 3595680363.

It is not a de Polignac number, because 3630865953 - 2⁴ = 3630865937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3630865957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4231350 + ... + 4232207.

It is an arithmetic number, because the mean of its divisors is an integer number (355469436).

Almost surely, 2^3630865953 is an apocalyptic number.

3630865953 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3630865953 is a deficient number, since it is larger than the sum of its proper divisors (2056645023).

3630865953 is a wasteful number, since it uses less digits than its factorization.

3630865953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8463584.

The product of its (nonzero) digits is 1749600, while the sum is 48.

The square root of 3630865953 is about 60256.6672908484. The cubic root of 3630865953 is about 1536.9865670390.

The spelling of 3630865953 in words is "three billion, six hundred thirty million, eight hundred sixty-five thousand, nine hundred fifty-three".