19327471950 has 48 divisors (see below), whose sum is σ = 49584973680. Its totient is φ = 4976267520.

The previous prime is 19327471937. The next prime is 19327471957. The reversal of 19327471950 is 5917472391.

It is a self number, because there is not a number n which added to its sum of digits gives 19327471950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19327471957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2217199 + ... + 2225898.

It is an arithmetic number, because the mean of its divisors is an integer number (1033020285).

Almost surely, 2^19327471950 is an apocalyptic number.

19327471950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19327471950 is an abundant number, since it is smaller than the sum of its proper divisors (30257501730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19327471950 is a wasteful number, since it uses less digits than its factorization.

19327471950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443141 (or 4443136 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 48.

The spelling of 19327471950 in words is "nineteen billion, three hundred twenty-seven million, four hundred seventy-one thousand, nine hundred fifty".