4428181099 has 4 divisors (see below), whose sum is σ = 4620710736. Its totient is φ = 4235651464.

The previous prime is 4428181091. The next prime is 4428181117. The reversal of 4428181099 is 9901818244.

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 4428181099 - 2³ = 4428181091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4428181091) 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, 96264784 + ... + 96264829.

It is an arithmetic number, because the mean of its divisors is an integer number (1155177684).

Almost surely, 2^4428181099 is an apocalyptic number.

4428181099 is a deficient number, since it is larger than the sum of its proper divisors (192529637).

4428181099 is a wasteful number, since it uses less digits than its factorization.

4428181099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192529636.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 4428181099 is about 66544.5797867865. The cubic root of 4428181099 is about 1642.1334888160.

The spelling of 4428181099 in words is "four billion, four hundred twenty-eight million, one hundred eighty-one thousand, ninety-nine".