19004297004 has 144 divisors (see below), whose sum is σ = 62525151360. Its totient is φ = 4936165920.

The previous prime is 19004296951. The next prime is 19004297047. The reversal of 19004297004 is 40079240091.

It is a super-2 number, since 2×19004297004² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 19004297004.

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 47 ways as a sum of consecutive naturals, for example, 105022 + ... + 221445.

It is an arithmetic number, because the mean of its divisors is an integer number (434202440).

Almost surely, 2^19004297004 is an apocalyptic number.

19004297004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19004297004 is an abundant number, since it is smaller than the sum of its proper divisors (43520854356).

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

19004297004 is a wasteful number, since it uses less digits than its factorization.

19004297004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326505 (or 326490 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 19004297004 in words is "nineteen billion, four million, two hundred ninety-seven thousand, four".