4243478950 has 12 divisors (see below), whose sum is σ = 7892870940. Its totient is φ = 1697391560.

The previous prime is 4243478947. The next prime is 4243478957. The reversal of 4243478950 is 598743424.

It is a happy number.

It is a super-2 number, since 2×4243478950² = 36014227198186205000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4243478950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243478957) 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, 42434740 + ... + 42434839.

It is an arithmetic number, because the mean of its divisors is an integer number (657739245).

Almost surely, 2^4243478950 is an apocalyptic number.

4243478950 is a deficient number, since it is larger than the sum of its proper divisors (3649391990).

4243478950 is a wasteful number, since it uses less digits than its factorization.

4243478950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84869591 (or 84869586 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The square root of 4243478950 is about 65141.9906818943. The cubic root of 4243478950 is about 1618.9770188903.

The spelling of 4243478950 in words is "four billion, two hundred forty-three million, four hundred seventy-eight thousand, nine hundred fifty".