4730542021 has 2 divisors, whose sum is σ = 4730542022. Its totient is φ = 4730542020.

The previous prime is 4730541983. The next prime is 4730542049. The reversal of 4730542021 is 1202450374.

It is an a-pointer prime, because the next prime (4730542049) can be obtained adding 4730542021 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4674456900 + 56085121 = 68370^2 + 7489^2 .

It is a cyclic number.

It is not a de Polignac number, because 4730542021 - 2¹⁵ = 4730509253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4730545021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2365271010 + 2365271011.

It is an arithmetic number, because the mean of its divisors is an integer number (2365271011).

Almost surely, 2^4730542021 is an apocalyptic number.

It is an amenable number.

4730542021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4730542021 is an equidigital number, since it uses as much as digits as its factorization.

4730542021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 4730542021 is about 68778.9358815619. The cubic root of 4730542021 is about 1678.6892200262.

Adding to 4730542021 its reverse (1202450374), we get a palindrome (5932992395).

The spelling of 4730542021 in words is "four billion, seven hundred thirty million, five hundred forty-two thousand, twenty-one".