1919328855050 has 24 divisors (see below), whose sum is σ = 3645908093376. Its totient is φ = 751396827440.

The previous prime is 1919328855013. The next prime is 1919328855053. The reversal of 1919328855050 is 505588239191.

It is not an unprimeable number, because it can be changed into a prime (1919328855053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 408365492 + ... + 408370191.

It is an arithmetic number, because the mean of its divisors is an integer number (151912837224).

Almost surely, 2^{1919328855050} is an apocalyptic number.

1919328855050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1919328855050 is a deficient number, since it is larger than the sum of its proper divisors (1726579238326).

1919328855050 is a wasteful number, since it uses less digits than its factorization.

1919328855050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816735742 (or 816735737 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 56.

The spelling of 1919328855050 in words is "one trillion, nine hundred nineteen billion, three hundred twenty-eight million, eight hundred fifty-five thousand, fifty".