19242017292 has 48 divisors (see below), whose sum is σ = 45225839232. Its totient is φ = 6367342080.

The previous prime is 19242017261. The next prime is 19242017293. The reversal of 19242017292 is 29271024291.

It is a self number, because there is not a number n which added to its sum of digits gives 19242017292.

It is not an unprimeable number, because it can be changed into a prime (19242017293) 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 15 ways as a sum of consecutive naturals, for example, 951567 + ... + 971577.

It is an arithmetic number, because the mean of its divisors is an integer number (942204984).

Almost surely, 2^19242017292 is an apocalyptic number.

19242017292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19242017292 is an abundant number, since it is smaller than the sum of its proper divisors (25983821940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19242017292 is a wasteful number, since it uses less digits than its factorization.

19242017292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20598 (or 20596 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 19242017292 in words is "nineteen billion, two hundred forty-two million, seventeen thousand, two hundred ninety-two".