4668341621 has 2 divisors, whose sum is σ = 4668341622. Its totient is φ = 4668341620.

The previous prime is 4668341611. The next prime is 4668341669. The reversal of 4668341621 is 1261438664.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3882660721 + 785680900 = 62311^2 + 28030^2 .

It is a cyclic number.

It is not a de Polignac number, because 4668341621 - 2¹⁴ = 4668325237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4668341611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2334170810 + 2334170811.

It is an arithmetic number, because the mean of its divisors is an integer number (2334170811).

Almost surely, 2^4668341621 is an apocalyptic number.

It is an amenable number.

4668341621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4668341621 is an equidigital number, since it uses as much as digits as its factorization.

4668341621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 41.

The square root of 4668341621 is about 68325.2634169822. The cubic root of 4668341621 is about 1671.2992173854.

The spelling of 4668341621 in words is "four billion, six hundred sixty-eight million, three hundred forty-one thousand, six hundred twenty-one".