2199780050 has 36 divisors (see below), whose sum is σ = 4430556270. Its totient is φ = 812223360.

The previous prime is 2199780041. The next prime is 2199780071. The reversal of 2199780050 is 500879912.

It can be written as a sum of positive squares in 9 ways, for example, as 18983449 + 2180796601 = 4357^2 + 46699^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 121715 + ... + 138614.

Almost surely, 2^2199780050 is an apocalyptic number.

2199780050 is an abundant number, since it is smaller than the sum of its proper divisors (2230776220).

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

2199780050 is a wasteful number, since it uses less digits than its factorization.

2199780050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260367 (or 260349 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 2199780050 is about 46901.8128647497. The cubic root of 2199780050 is about 1300.5481022116.

The spelling of 2199780050 in words is "two billion, one hundred ninety-nine million, seven hundred eighty thousand, fifty".