4243664050 has 48 divisors (see below), whose sum is σ = 7999021512. Its totient is φ = 1674867200.

The previous prime is 4243664039. The next prime is 4243664053. The reversal of 4243664050 is 504663424.

It can be written as a sum of positive squares in 12 ways, for example, as 2012329881 + 2231334169 = 44859^2 + 47237^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4243663997 and 4243664015.

It is not an unprimeable number, because it can be changed into a prime (4243664053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1183260 + ... + 1186840.

Almost surely, 2^4243664050 is an apocalyptic number.

4243664050 is a deficient number, since it is larger than the sum of its proper divisors (3755357462).

4243664050 is a wasteful number, since it uses less digits than its factorization.

4243664050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903 (or 3898 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 4243664050 is about 65143.4114089829. The cubic root of 4243664050 is about 1619.0005584038. Note that the first 3 decimals are identical.

The spelling of 4243664050 in words is "four billion, two hundred forty-three million, six hundred sixty-four thousand, fifty".