9000778019 has 2 divisors, whose sum is σ = 9000778020. Its totient is φ = 9000778018.

The previous prime is 9000778009. The next prime is 9000778037. The reversal of 9000778019 is 9108770009.

9000778019 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9000778019 is a prime.

It is a super-2 number, since 2×9000778019² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (9000778009) 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, 4500389009 + 4500389010.

It is an arithmetic number, because the mean of its divisors is an integer number (4500389010).

Almost surely, 2^9000778019 is an apocalyptic number.

9000778019 is a deficient number, since it is larger than the sum of its proper divisors (1).

9000778019 is an equidigital number, since it uses as much as digits as its factorization.

9000778019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 9000778019 is about 94872.4302366077. The cubic root of 9000778019 is about 2080.1437600187.

The spelling of 9000778019 in words is "nine billion, seven hundred seventy-eight thousand, nineteen".