19147385002 has 8 divisors (see below), whose sum is σ = 28812839076. Its totient is φ = 9543105312.

The previous prime is 19147384913. The next prime is 19147385017. The reversal of 19147385002 is 20058374191.

It can be written as a sum of positive squares in 2 ways, for example, as 18357269121 + 790115881 = 135489^2 + 28109^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 15292813 + ... + 15294064.

Almost surely, 2^19147385002 is an apocalyptic number.

19147385002 is a deficient number, since it is larger than the sum of its proper divisors (9665454074).

19147385002 is a wasteful number, since it uses less digits than its factorization.

19147385002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30587192.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 19147385002 in words is "nineteen billion, one hundred forty-seven million, three hundred eighty-five thousand, two".