4838455021 has 2 divisors, whose sum is σ = 4838455022. Its totient is φ = 4838455020.

The previous prime is 4838455009. The next prime is 4838455117. The reversal of 4838455021 is 1205548384.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4672406025 + 166048996 = 68355^2 + 12886^2 .

It is a cyclic number.

It is not a de Polignac number, because 4838455021 - 2¹³ = 4838446829 is a prime.

It is a super-2 number, since 2×4838455021² = 46821293980480220882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4838453021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2419227510 + 2419227511.

It is an arithmetic number, because the mean of its divisors is an integer number (2419227511).

Almost surely, 2^4838455021 is an apocalyptic number.

It is an amenable number.

4838455021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4838455021 is an equidigital number, since it uses as much as digits as its factorization.

4838455021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 4838455021 is about 69559.0038815968. The cubic root of 4838455021 is about 1691.3581068721.

The spelling of 4838455021 in words is "four billion, eight hundred thirty-eight million, four hundred fifty-five thousand, twenty-one".