200185087493 has 8 divisors (see below), whose sum is σ = 204856709376. Its totient is φ = 195514200000.

The previous prime is 200185087481. The next prime is 200185087547. The reversal of 200185087493 is 394780581002.

It is a happy number.

200185087493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200185087493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200185087463) 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 7 ways as a sum of consecutive naturals, for example, 388493 + ... + 742493.

It is an arithmetic number, because the mean of its divisors is an integer number (25607088672).

Almost surely, 2^200185087493 is an apocalyptic number.

It is an amenable number.

200185087493 is a deficient number, since it is larger than the sum of its proper divisors (4671621883).

200185087493 is a wasteful number, since it uses less digits than its factorization.

200185087493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367195.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 200185087493 in words is "two hundred billion, one hundred eighty-five million, eighty-seven thousand, four hundred ninety-three".