4391331441 has 24 divisors (see below), whose sum is σ = 6969451104. Its totient is φ = 2450972160.

The previous prime is 4391331437. The next prime is 4391331449. The reversal of 4391331441 is 1441331934.

It is not a de Polignac number, because 4391331441 - 2² = 4391331437 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4391331449) 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 23 ways as a sum of consecutive naturals, for example, 341040 + ... + 353681.

It is an arithmetic number, because the mean of its divisors is an integer number (290393796).

Almost surely, 2^4391331441 is an apocalyptic number.

It is an amenable number.

4391331441 is a deficient number, since it is larger than the sum of its proper divisors (2578119663).

4391331441 is a wasteful number, since it uses less digits than its factorization.

4391331441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694781 (or 694774 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 4391331441 is about 66267.1218705023. The cubic root of 4391331441 is about 1637.5657224054.

The spelling of 4391331441 in words is "four billion, three hundred ninety-one million, three hundred thirty-one thousand, four hundred forty-one".