4401319991 has 8 divisors (see below), whose sum is σ = 4423165824. Its totient is φ = 4379513400.

The previous prime is 4401319963. The next prime is 4401320039. The reversal of 4401319991 is 1999131044.

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 4401319991 - 2⁶ = 4401319927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4401319931) 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, 229316 + ... + 247766.

It is an arithmetic number, because the mean of its divisors is an integer number (552895728).

Almost surely, 2^4401319991 is an apocalyptic number.

4401319991 is a deficient number, since it is larger than the sum of its proper divisors (21845833).

4401319991 is a wasteful number, since it uses less digits than its factorization.

4401319991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19621.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 4401319991 is about 66342.4448675205. Note that the first 3 decimals coincide. The cubic root of 4401319991 is about 1638.8063879547.

The spelling of 4401319991 in words is "four billion, four hundred one million, three hundred nineteen thousand, nine hundred ninety-one".