19147385004 has 48 divisors (see below), whose sum is σ = 50056075776. Its totient is φ = 5645419200.

The previous prime is 19147384913. The next prime is 19147385017. The reversal of 19147385004 is 40058374191.

It is a happy number.

It is an unprimeable number.

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, 1955332 + ... + 1965099.

It is an arithmetic number, because the mean of its divisors is an integer number (1042834912).

Almost surely, 2^19147385004 is an apocalyptic number.

It is an amenable number.

19147385004 is an abundant number, since it is smaller than the sum of its proper divisors (30908690772).

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

19147385004 is a wasteful number, since it uses less digits than its factorization.

19147385004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3920486 (or 3920484 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 19147385004 in words is "nineteen billion, one hundred forty-seven million, three hundred eighty-five thousand, four".