3630313861 has 2 divisors, whose sum is σ = 3630313862. Its totient is φ = 3630313860.

The previous prime is 3630313853. The next prime is 3630313877. The reversal of 3630313861 is 1683130363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3582621025 + 47692836 = 59855^2 + 6906^2 .

It is a cyclic number.

It is not a de Polignac number, because 3630313861 - 2³ = 3630313853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3630313361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1815156930 + 1815156931.

It is an arithmetic number, because the mean of its divisors is an integer number (1815156931).

Almost surely, 2^3630313861 is an apocalyptic number.

It is an amenable number.

3630313861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3630313861 is an equidigital number, since it uses as much as digits as its factorization.

3630313861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 3630313861 is about 60252.0859472931. The cubic root of 3630313861 is about 1536.9086608304.

The spelling of 3630313861 in words is "three billion, six hundred thirty million, three hundred thirteen thousand, eight hundred sixty-one".