4620004621 has 2 divisors, whose sum is σ = 4620004622. Its totient is φ = 4620004620.

The previous prime is 4620004619. The next prime is 4620004633. The reversal of 4620004621 is 1264000264.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3936182121 + 683822500 = 62739^2 + 26150^2 .

It is a cyclic number.

It is not a de Polignac number, because 4620004621 - 2¹ = 4620004619 is a prime.

It is a super-2 number, since 2×4620004621² = 42688885396122707282, which contains 22 as substring.

Together with 4620004619, 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 (4620004651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2310002310 + 2310002311.

It is an arithmetic number, because the mean of its divisors is an integer number (2310002311).

Almost surely, 2^4620004621 is an apocalyptic number.

It is an amenable number.

4620004621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4620004621 is an equidigital number, since it uses as much as digits as its factorization.

4620004621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4620004621 is about 67970.6158645043. The cubic root of 4620004621 is about 1665.5108642889.

Adding to 4620004621 its reverse (1264000264), we get a palindrome (5884004885).

The spelling of 4620004621 in words is "four billion, six hundred twenty million, four thousand, six hundred twenty-one".