2116489250 has 16 divisors (see below), whose sum is σ = 3962068344. Its totient is φ = 846595600.

The previous prime is 2116489247. The next prime is 2116489261. The reversal of 2116489250 is 529846112.

It can be written as a sum of positive squares in 4 ways, for example, as 592289569 + 1524199681 = 24337^2 + 39041^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4232729 + ... + 4233228.

Almost surely, 2^2116489250 is an apocalyptic number.

2116489250 is a deficient number, since it is larger than the sum of its proper divisors (1845579094).

2116489250 is an equidigital number, since it uses as much as digits as its factorization.

2116489250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8465974 (or 8465964 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 2116489250 is about 46005.3176274222. The cubic root of 2116489250 is about 1283.9221431782.

The spelling of 2116489250 in words is "two billion, one hundred sixteen million, four hundred eighty-nine thousand, two hundred fifty".