9490238869 has 2 divisors, whose sum is σ = 9490238870. Its totient is φ = 9490238868.

The previous prime is 9490238867. The next prime is 9490238911. The reversal of 9490238869 is 9688320949.

9490238869 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., 8225583025 + 1264655844 = 90695^2 + 35562^2 .

It is a cyclic number.

It is not a de Polignac number, because 9490238869 - 2¹ = 9490238867 is a prime.

It is a super-2 number, since 2×9490238869² (a number of 21 digits) contains 22 as substring.

Together with 9490238867, 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 (9490238867) 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, 4745119434 + 4745119435.

It is an arithmetic number, because the mean of its divisors is an integer number (4745119435).

Almost surely, 2^9490238869 is an apocalyptic number.

It is an amenable number.

9490238869 is a deficient number, since it is larger than the sum of its proper divisors (1).

9490238869 is an equidigital number, since it uses as much as digits as its factorization.

9490238869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6718464, while the sum is 58.

The square root of 9490238869 is about 97417.8570335028. The cubic root of 9490238869 is about 2117.1861676017.

The spelling of 9490238869 in words is "nine billion, four hundred ninety million, two hundred thirty-eight thousand, eight hundred sixty-nine".