4440201091 has 2 divisors, whose sum is σ = 4440201092. Its totient is φ = 4440201090.

The previous prime is 4440201071. The next prime is 4440201109. The reversal of 4440201091 is 1901020444.

Together with next prime (4440201109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4440201091 - 2³¹ = 2292717443 is a prime.

It is not a weakly prime, because it can be changed into another prime (4440201071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220100545 + 2220100546.

It is an arithmetic number, because the mean of its divisors is an integer number (2220100546).

Almost surely, 2^4440201091 is an apocalyptic number.

4440201091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4440201091 is an equidigital number, since it uses as much as digits as its factorization.

4440201091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 4440201091 is about 66634.8339159032. The cubic root of 4440201091 is about 1643.6179657983.

The spelling of 4440201091 in words is "four billion, four hundred forty million, two hundred one thousand, ninety-one".