2196847850 has 12 divisors (see below), whose sum is σ = 4086137094. Its totient is φ = 878739120.

The previous prime is 2196847837. The next prime is 2196847853. The reversal of 2196847850 is 587486912.

2196847850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 873852721 + 1322995129 = 29561^2 + 36373^2 .

It is a super-2 number, since 2×2196847850² = 9652280952099245000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 43936957 = 2196847850 / (2 + 1 + 9 + 6 + 8 + 4 + 7 + 8 + 5 + 0).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2196847853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21968429 + ... + 21968528.

Almost surely, 2^2196847850 is an apocalyptic number.

2196847850 is a deficient number, since it is larger than the sum of its proper divisors (1889289244).

2196847850 is a wasteful number, since it uses less digits than its factorization.

2196847850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43936969 (or 43936964 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The square root of 2196847850 is about 46870.5435214912. The cubic root of 2196847850 is about 1299.9699894453.

The spelling of 2196847850 in words is "two billion, one hundred ninety-six million, eight hundred forty-seven thousand, eight hundred fifty".