4253943820 has 72 divisors (see below), whose sum is σ = 10938760560. Its totient is φ = 1381726080.

The previous prime is 4253943797. The next prime is 4253943829. The reversal of 4253943820 is 283493524.

It is not an unprimeable number, because it can be changed into a prime (4253943829) 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, 95611 + ... + 132850.

It is an arithmetic number, because the mean of its divisors is an integer number (151927230).

Almost surely, 2^4253943820 is an apocalyptic number.

It is an amenable number.

4253943820 is an abundant number, since it is smaller than the sum of its proper divisors (6684816740).

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

4253943820 is a wasteful number, since it uses less digits than its factorization.

4253943820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228503 (or 228494 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 4253943820 is about 65222.2647567531. The cubic root of 4253943820 is about 1620.3067828289.

The spelling of 4253943820 in words is "four billion, two hundred fifty-three million, nine hundred forty-three thousand, eight hundred twenty".