19068309 has 24 divisors (see below), whose sum is σ = 30051840. Its totient is φ = 11580192.

The previous prime is 19068299. The next prime is 19068319. The reversal of 19068309 is 90386091.

It is an interprime number because it is at equal distance from previous prime (19068299) and next prime (19068319).

It is not a de Polignac number, because 19068309 - 2⁸ = 19068053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19068319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8212 + ... + 10274.

It is an arithmetic number, because the mean of its divisors is an integer number (1252160).

Almost surely, 2^19068309 is an apocalyptic number.

It is an amenable number.

19068309 is a deficient number, since it is larger than the sum of its proper divisors (10983531).

19068309 is a wasteful number, since it uses less digits than its factorization.

19068309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161 (or 2158 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 19068309 is about 4366.7274932150. The cubic root of 19068309 is about 267.1595645976.

The spelling of 19068309 in words is "nineteen million, sixty-eight thousand, three hundred nine".