19169828241849 has 8 divisors (see below), whose sum is σ = 28399745543520. Its totient is φ = 12779885494548.

The previous prime is 19169828241847. The next prime is 19169828241913. The reversal of 19169828241849 is 94814282896191.

19169828241849 is a `hidden beast` number, since 1 + 9 + 1 + 6 + 98 + 2 + 82 + 418 + 49 = 666.

It is not a de Polignac number, because 19169828241849 - 2¹ = 19169828241847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19169828241847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354996819267 + ... + 354996819320.

It is an arithmetic number, because the mean of its divisors is an integer number (3549968192940).

Almost surely, 2^{19169828241849} is an apocalyptic number.

It is an amenable number.

19169828241849 is a deficient number, since it is larger than the sum of its proper divisors (9229917301671).

19169828241849 is an equidigital number, since it uses as much as digits as its factorization.

19169828241849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709993638596 (or 709993638590 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 72.

The spelling of 19169828241849 in words is "nineteen trillion, one hundred sixty-nine billion, eight hundred twenty-eight million, two hundred forty-one thousand, eight hundred forty-nine".