9498418021 has 2 divisors, whose sum is σ = 9498418022. Its totient is φ = 9498418020.

The previous prime is 9498418009. The next prime is 9498418063. The reversal of 9498418021 is 1208148949.

9498418021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9174957796 + 323460225 = 95786^2 + 17985^2 .

It is a cyclic number.

It is not a de Polignac number, because 9498418021 - 2¹¹ = 9498415973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9498418921) 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, 4749209010 + 4749209011.

It is an arithmetic number, because the mean of its divisors is an integer number (4749209011).

Almost surely, 2^9498418021 is an apocalyptic number.

It is an amenable number.

9498418021 is a deficient number, since it is larger than the sum of its proper divisors (1).

9498418021 is an equidigital number, since it uses as much as digits as its factorization.

9498418021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 9498418021 is about 97459.8277291726. The cubic root of 9498418021 is about 2117.7942244792.

The spelling of 9498418021 in words is "nine billion, four hundred ninety-eight million, four hundred eighteen thousand, twenty-one".