4243018881 has 4 divisors (see below), whose sum is σ = 5657358512. Its totient is φ = 2828679252.

The previous prime is 4243018861. The next prime is 4243018951. The reversal of 4243018881 is 1888103424.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4243018881 - 2¹³ = 4243010689 is a prime.

It is a super-2 number, since 2×4243018881² = 36006418449044984322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4243018861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707169811 + ... + 707169816.

It is an arithmetic number, because the mean of its divisors is an integer number (1414339628).

Almost surely, 2^4243018881 is an apocalyptic number.

It is an amenable number.

4243018881 is a deficient number, since it is larger than the sum of its proper divisors (1414339631).

4243018881 is a wasteful number, since it uses less digits than its factorization.

4243018881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414339630.

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 4243018881 is about 65138.4593078467. The cubic root of 4243018881 is about 1618.9185080893.

The spelling of 4243018881 in words is "four billion, two hundred forty-three million, eighteen thousand, eight hundred eighty-one".