4635214621 has 2 divisors, whose sum is σ = 4635214622. Its totient is φ = 4635214620.

The previous prime is 4635214613. The next prime is 4635214651. The reversal of 4635214621 is 1264125364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3995630521 + 639584100 = 63211^2 + 25290^2 .

It is a cyclic number.

It is not a de Polignac number, because 4635214621 - 2³ = 4635214613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4635214601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2317607310 + 2317607311.

It is an arithmetic number, because the mean of its divisors is an integer number (2317607311).

Almost surely, 2^4635214621 is an apocalyptic number.

It is an amenable number.

4635214621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4635214621 is an equidigital number, since it uses as much as digits as its factorization.

4635214621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 34.

The square root of 4635214621 is about 68082.4105110858. The cubic root of 4635214621 is about 1667.3365963116.

Adding to 4635214621 its reverse (1264125364), we get a palindrome (5899339985).

The spelling of 4635214621 in words is "four billion, six hundred thirty-five million, two hundred fourteen thousand, six hundred twenty-one".