19144342558 has 16 divisors (see below), whose sum is σ = 31332173040. Its totient is φ = 8700566400.

The previous prime is 19144342543. The next prime is 19144342561. The reversal of 19144342558 is 85524344191.

It is a congruent number.

It is an unprimeable number.

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, 75448 + ... + 209716.

It is an arithmetic number, because the mean of its divisors is an integer number (1958260815).

Almost surely, 2^19144342558 is an apocalyptic number.

19144342558 is a deficient number, since it is larger than the sum of its proper divisors (12187830482).

19144342558 is a wasteful number, since it uses less digits than its factorization.

19144342558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140763.

The product of its digits is 691200, while the sum is 46.

The spelling of 19144342558 in words is "nineteen billion, one hundred forty-four million, three hundred forty-two thousand, five hundred fifty-eight".