4635047210221 has 2 divisors, whose sum is σ = 4635047210222. Its totient is φ = 4635047210220.

The previous prime is 4635047210219. The next prime is 4635047210347. The reversal of 4635047210221 is 1220127405364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3890701020196 + 744346190025 = 1972486^2 + 862755^2 .

It is a cyclic number.

It is not a de Polignac number, because 4635047210221 - 2¹ = 4635047210219 is a prime.

It is a super-3 number, since 3×4635047210221³ (a number of 39 digits) contains 333 as substring.

Together with 4635047210219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4635047270221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2317523605110 + 2317523605111.

It is an arithmetic number, because the mean of its divisors is an integer number (2317523605111).

Almost surely, 2^{4635047210221} is an apocalyptic number.

It is an amenable number.

4635047210221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4635047210221 is an equidigital number, since it uses as much as digits as its factorization.

4635047210221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 4635047210221 in words is "four trillion, six hundred thirty-five billion, forty-seven million, two hundred ten thousand, two hundred twenty-one".