3630610350221 has 2 divisors, whose sum is σ = 3630610350222. Its totient is φ = 3630610350220.

The previous prime is 3630610350209. The next prime is 3630610350247. The reversal of 3630610350221 is 1220530160363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3164823210025 + 465787140196 = 1778995^2 + 682486^2 .

It is a cyclic number.

It is not a de Polignac number, because 3630610350221 - 2²⁶ = 3630543241357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3630610352221) 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 as a sum of consecutive naturals, namely, 1815305175110 + 1815305175111.

It is an arithmetic number, because the mean of its divisors is an integer number (1815305175111).

Almost surely, 2^{3630610350221} is an apocalyptic number.

It is an amenable number.

3630610350221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3630610350221 is an equidigital number, since it uses as much as digits as its factorization.

3630610350221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

The spelling of 3630610350221 in words is "three trillion, six hundred thirty billion, six hundred ten million, three hundred fifty thousand, two hundred twenty-one".