4243120849 has 8 divisors (see below), whose sum is σ = 4727346048. Its totient is φ = 3775310160.

The previous prime is 4243120841. The next prime is 4243120879. The reversal of 4243120849 is 9480213424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4243120849 - 2³ = 4243120841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4243120841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4103082 + ... + 4104115.

It is an arithmetic number, because the mean of its divisors is an integer number (590918256).

Almost surely, 2^4243120849 is an apocalyptic number.

It is an amenable number.

4243120849 is a deficient number, since it is larger than the sum of its proper divisors (484225199).

4243120849 is a wasteful number, since it uses less digits than its factorization.

4243120849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8207255.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 4243120849 is about 65139.2420051078. The cubic root of 4243120849 is about 1618.9314765727.

The spelling of 4243120849 in words is "four billion, two hundred forty-three million, one hundred twenty thousand, eight hundred forty-nine".