4339252091 has 8 divisors (see below), whose sum is σ = 4836318480. Its totient is φ = 3869054208.

The previous prime is 4339252081. The next prime is 4339252133. The reversal of 4339252091 is 1902529334.

It is a happy number.

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

It is not a de Polignac number, because 4339252091 - 2¹⁰ = 4339251067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4339252031) 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, 6716786 + ... + 6717431.

It is an arithmetic number, because the mean of its divisors is an integer number (604539810).

Almost surely, 2^4339252091 is an apocalyptic number.

4339252091 is a deficient number, since it is larger than the sum of its proper divisors (497066389).

4339252091 is a wasteful number, since it uses less digits than its factorization.

4339252091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13434253.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 4339252091 is about 65872.9997115662. Note that the first 3 decimals coincide. The cubic root of 4339252091 is about 1631.0663466687.

Adding to 4339252091 its sum of digits (38), we get a square (4339252129 = 65873²).

The spelling of 4339252091 in words is "four billion, three hundred thirty-nine million, two hundred fifty-two thousand, ninety-one".