19430882549 has 8 divisors (see below), whose sum is σ = 20930538720. Its totient is φ = 17931936816.

The previous prime is 19430882543. The next prime is 19430882617. The reversal of 19430882549 is 94528803491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19430882549 - 2⁴ = 19430882533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19430882549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19430882543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120107 + ... + 230840.

It is an arithmetic number, because the mean of its divisors is an integer number (2616317340).

Almost surely, 2^19430882549 is an apocalyptic number.

It is an amenable number.

19430882549 is a deficient number, since it is larger than the sum of its proper divisors (1499656171).

19430882549 is a wasteful number, since it uses less digits than its factorization.

19430882549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355219.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 19430882549 in words is "nineteen billion, four hundred thirty million, eight hundred eighty-two thousand, five hundred forty-nine".