19530850976 has 96 divisors (see below), whose sum is σ = 47367492480. Its totient is φ = 7719515136.

The previous prime is 19530850943. The next prime is 19530850993. The reversal of 19530850976 is 67905803591.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4246310 + ... + 4250906.

It is an arithmetic number, because the mean of its divisors is an integer number (493411380).

Almost surely, 2^19530850976 is an apocalyptic number.

19530850976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19530850976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23683746240).

19530850976 is an abundant number, since it is smaller than the sum of its proper divisors (27836641504).

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

19530850976 is a wasteful number, since it uses less digits than its factorization.

19530850976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6086 (or 6078 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 53.

The spelling of 19530850976 in words is "nineteen billion, five hundred thirty million, eight hundred fifty thousand, nine hundred seventy-six".