19492195200 has 96 divisors (see below), whose sum is σ = 64202449560. Its totient is φ = 5197916160.

The previous prime is 19492195183. The next prime is 19492195213. The reversal of 19492195200 is 259129491.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1005619 + ... + 1024818.

Almost surely, 2^19492195200 is an apocalyptic number.

19492195200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19492195200 is an abundant number, since it is smaller than the sum of its proper divisors (44710254360).

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

19492195200 is a wasteful number, since it uses less digits than its factorization.

19492195200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030464 (or 2030447 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The spelling of 19492195200 in words is "nineteen billion, four hundred ninety-two million, one hundred ninety-five thousand, two hundred".