4594928021 has 2 divisors, whose sum is σ = 4594928022. Its totient is φ = 4594928020.

The previous prime is 4594927999. The next prime is 4594928053. The reversal of 4594928021 is 1208294954.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4407100996 + 187827025 = 66386^2 + 13705^2 .

It is a cyclic number.

It is not a de Polignac number, because 4594928021 - 2²⁶ = 4527819157 is a prime.

It is a super-2 number, since 2×4594928021² = 42226727036341952882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4594928081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2297464010 + 2297464011.

It is an arithmetic number, because the mean of its divisors is an integer number (2297464011).

Almost surely, 2^4594928021 is an apocalyptic number.

It is an amenable number.

4594928021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4594928021 is an equidigital number, since it uses as much as digits as its factorization.

4594928021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 4594928021 is about 67785.8983933974. The cubic root of 4594928021 is about 1662.4920257857.

The spelling of 4594928021 in words is "four billion, five hundred ninety-four million, nine hundred twenty-eight thousand, twenty-one".