19028895308 has 6 divisors (see below), whose sum is σ = 33300566796. Its totient is φ = 9514447652.

The previous prime is 19028895299. The next prime is 19028895313. The reversal of 19028895308 is 80359882091.

It is a self number, because there is not a number n which added to its sum of digits gives 19028895308.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2378611910 + ... + 2378611917.

It is an arithmetic number, because the mean of its divisors is an integer number (5550094466).

Almost surely, 2^19028895308 is an apocalyptic number.

It is an amenable number.

19028895308 is a deficient number, since it is larger than the sum of its proper divisors (14271671488).

19028895308 is a wasteful number, since it uses less digits than its factorization.

19028895308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4757223831 (or 4757223829 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 53.

The spelling of 19028895308 in words is "nineteen billion, twenty-eight million, eight hundred ninety-five thousand, three hundred eight".