19009232019 has 12 divisors (see below), whose sum is σ = 27471272400. Its totient is φ = 12666593904.

The previous prime is 19009231991. The next prime is 19009232083. The reversal of 19009232019 is 91023290091.

It is a happy number.

It is not a de Polignac number, because 19009232019 - 2¹⁶ = 19009166483 is a prime.

It is a super-3 number, since 3×19009232019³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (19009232219) 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 in 11 ways as a sum of consecutive naturals, for example, 499584 + ... + 536285.

It is an arithmetic number, because the mean of its divisors is an integer number (2289272700).

Almost surely, 2^19009232019 is an apocalyptic number.

19009232019 is a deficient number, since it is larger than the sum of its proper divisors (8462040381).

19009232019 is a wasteful number, since it uses less digits than its factorization.

19009232019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037914 (or 1037911 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

It can be divided in two parts, 190092 and 32019, that added together give a triangular number (222111 = T₆₆₆).

The spelling of 19009232019 in words is "nineteen billion, nine million, two hundred thirty-two thousand, nineteen".