199283317500 has 120 divisors (see below), whose sum is σ = 581282492560. Its totient is φ = 53121600000.

The previous prime is 199283317487. The next prime is 199283317501. The reversal of 199283317500 is 5713382991.

It is a self number, because there is not a number n which added to its sum of digits gives 199283317500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199283317501) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38254896 + ... + 38260104.

Almost surely, 2^199283317500 is an apocalyptic number.

199283317500 is a gapful number since it is divisible by the number (10) 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 199283317500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290641246280).

199283317500 is an abundant number, since it is smaller than the sum of its proper divisors (381999175060).

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

199283317500 is a wasteful number, since it uses less digits than its factorization.

199283317500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10337 (or 10320 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 199283317500 in words is "one hundred ninety-nine billion, two hundred eighty-three million, three hundred seventeen thousand, five hundred".