19020270089509 has 24 divisors (see below), whose sum is σ = 20806315296000. Its totient is φ = 17377984907712.

The previous prime is 19020270089501. The next prime is 19020270089603. The reversal of 19020270089509 is 90598007202091.

It is not a de Polignac number, because 19020270089509 - 2³ = 19020270089501 is a prime.

It is a super-2 number, since 2×19020270089509² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19020270089501) 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 23 ways as a sum of consecutive naturals, for example, 34523287 + ... + 35069899.

It is an arithmetic number, because the mean of its divisors is an integer number (866929804000).

Almost surely, 2^{19020270089509} is an apocalyptic number.

It is an amenable number.

19020270089509 is a deficient number, since it is larger than the sum of its proper divisors (1786045206491).

19020270089509 is a wasteful number, since it uses less digits than its factorization.

19020270089509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548741 (or 548728 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 52.

The spelling of 19020270089509 in words is "nineteen trillion, twenty billion, two hundred seventy million, eighty-nine thousand, five hundred nine".