4445181199 has 4 divisors (see below), whose sum is σ = 4706662464. Its totient is φ = 4183699936.

The previous prime is 4445181193. The next prime is 4445181281. The reversal of 4445181199 is 9911815444.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4445181199 - 2²⁷ = 4310963471 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 (4445181193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130740607 + ... + 130740640.

It is an arithmetic number, because the mean of its divisors is an integer number (1176665616).

Almost surely, 2^4445181199 is an apocalyptic number.

4445181199 is a deficient number, since it is larger than the sum of its proper divisors (261481265).

4445181199 is a wasteful number, since it uses less digits than its factorization.

4445181199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261481264.

The product of its digits is 207360, while the sum is 46.

The square root of 4445181199 is about 66672.1920968555. The cubic root of 4445181199 is about 1644.2322275164.

The spelling of 4445181199 in words is "four billion, four hundred forty-five million, one hundred eighty-one thousand, one hundred ninety-nine".