4243322091 has 4 divisors (see below), whose sum is σ = 5657762792. Its totient is φ = 2828881392.

The previous prime is 4243322071. The next prime is 4243322107. The reversal of 4243322091 is 1902233424.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4243322091 - 2¹⁰ = 4243321067 is a prime.

It is a super-2 number, since 2×4243322091² = 36011564735937224562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4243322011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707220346 + ... + 707220351.

It is an arithmetic number, because the mean of its divisors is an integer number (1414440698).

Almost surely, 2^4243322091 is an apocalyptic number.

4243322091 is a deficient number, since it is larger than the sum of its proper divisors (1414440701).

4243322091 is a wasteful number, since it uses less digits than its factorization.

4243322091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414440700.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 4243322091 is about 65140.7866931311. The cubic root of 4243322091 is about 1618.9570703019.

The spelling of 4243322091 in words is "four billion, two hundred forty-three million, three hundred twenty-two thousand, ninety-one".