19089872006 has 4 divisors (see below), whose sum is σ = 28634808012. Its totient is φ = 9544936002.

The previous prime is 19089871993. The next prime is 19089872041. The reversal of 19089872006 is 60027898091.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4772468000 + ... + 4772468003.

It is an arithmetic number, because the mean of its divisors is an integer number (7158702003).

Almost surely, 2^19089872006 is an apocalyptic number.

19089872006 is a deficient number, since it is larger than the sum of its proper divisors (9544936006).

19089872006 is an equidigital number, since it uses as much as digits as its factorization.

19089872006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9544936005.

The product of its (nonzero) digits is 435456, while the sum is 50.

The spelling of 19089872006 in words is "nineteen billion, eighty-nine million, eight hundred seventy-two thousand, six".