19056328490 has 16 divisors (see below), whose sum is σ = 35099098848. Its totient is φ = 7445263056.

The previous prime is 19056328481. The next prime is 19056328493. The reversal of 19056328490 is 9482365091.

It is not an unprimeable number, because it can be changed into a prime (19056328493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22158092 + ... + 22158951.

It is an arithmetic number, because the mean of its divisors is an integer number (2193693678).

Almost surely, 2^19056328490 is an apocalyptic number.

19056328490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19056328490 is a deficient number, since it is larger than the sum of its proper divisors (16042770358).

19056328490 is a wasteful number, since it uses less digits than its factorization.

19056328490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44317093.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 19056328490 in words is "nineteen billion, fifty-six million, three hundred twenty-eight thousand, four hundred ninety".