4243313121019 has 8 divisors (see below), whose sum is σ = 4921881317888. Its totient is φ = 3582840076200.

The previous prime is 4243313120999. The next prime is 4243313121023. The reversal of 4243313121019 is 9101213133424.

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

It is not a de Polignac number, because 4243313121019 - 2²¹ = 4243311023867 is a prime.

It is a super-2 number, since 2×4243313121019² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4243313121029) 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, 4523787507 + ... + 4523788444.

It is an arithmetic number, because the mean of its divisors is an integer number (615235164736).

Almost surely, 2^{4243313121019} is an apocalyptic number.

4243313121019 is a deficient number, since it is larger than the sum of its proper divisors (678568196869).

4243313121019 is an equidigital number, since it uses as much as digits as its factorization.

4243313121019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9047576025.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 4243313121019 in words is "four trillion, two hundred forty-three billion, three hundred thirteen million, one hundred twenty-one thousand, nineteen".