19042258888869 has 4 divisors (see below), whose sum is σ = 25389678518496. Its totient is φ = 12694839259244.

The previous prime is 19042258888831. The next prime is 19042258888909. The reversal of 19042258888869 is 96888885224091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19042258888869 - 2²⁸ = 19041990453413 is a prime.

It is a super-2 number, since 2×19042258888869² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19042258888794 and 19042258888803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19042258881869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3173709814809 + ... + 3173709814814.

It is an arithmetic number, because the mean of its divisors is an integer number (6347419629624).

Almost surely, 2^{19042258888869} is an apocalyptic number.

It is an amenable number.

19042258888869 is a deficient number, since it is larger than the sum of its proper divisors (6347419629627).

19042258888869 is an equidigital number, since it uses as much as digits as its factorization.

19042258888869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6347419629626.

The product of its (nonzero) digits is 1274019840, while the sum is 78.

The spelling of 19042258888869 in words is "nineteen trillion, forty-two billion, two hundred fifty-eight million, eight hundred eighty-eight thousand, eight hundred sixty-nine".