9019009019 has 16 divisors (see below), whose sum is σ = 9453637440. Its totient is φ = 8593200000.

The previous prime is 9019009001. The next prime is 9019009049. The reversal of 9019009019 is 9109009109.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9019009019 - 2⁸ = 9019008763 is a prime.

It is a super-2 number, since 2×9019009019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9019009049) 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 in 15 ways as a sum of consecutive naturals, for example, 905969 + ... + 915869.

It is an arithmetic number, because the mean of its divisors is an integer number (590852340).

Almost surely, 2^9019009019 is an apocalyptic number.

9019009019 is a deficient number, since it is larger than the sum of its proper divisors (434628421).

9019009019 is a wasteful number, since it uses less digits than its factorization.

9019009019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10342.

The product of its (nonzero) digits is 6561, while the sum is 38.

The square root of 9019009019 is about 94968.4632865037. The cubic root of 9019009019 is about 2081.5472507420.

It can be divided in two parts, 901900 and 9019, that multiplied together give a square (8134236100 = 90190²).

The spelling of 9019009019 in words is "nine billion, nineteen million, nine thousand, nineteen".