19028927890 has 32 divisors (see below), whose sum is σ = 39404484864. Its totient is φ = 6480993600.

The previous prime is 19028927791. The next prime is 19028927903. The reversal of 19028927890 is 9872982091.

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, 889569 + ... + 910708.

It is an arithmetic number, because the mean of its divisors is an integer number (1231390152).

Almost surely, 2^19028927890 is an apocalyptic number.

19028927890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19028927890 is an abundant number, since it is smaller than the sum of its proper divisors (20375556974).

19028927890 is a wasteful number, since it uses less digits than its factorization.

19028927890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800442.

The product of its (nonzero) digits is 1306368, while the sum is 55.

The spelling of 19028927890 in words is "nineteen billion, twenty-eight million, nine hundred twenty-seven thousand, eight hundred ninety".