4445099999 has 4 divisors (see below), whose sum is σ = 4445238336. Its totient is φ = 4444961664.

The previous prime is 4445099977. The next prime is 4445100091. The reversal of 4445099999 is 9999905444.

It is a happy number.

4445099999 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4445099999 - 2¹² = 4445095903 is a prime.

It is a super-2 number, since 2×4445099999² = 39517828002219600002, which contains 22 as substring.

It is a Duffinian number.

4445099999 is a modest number, since divided by 99999 gives 44450 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4445099959) 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, 6962 + ... + 94544.

It is an arithmetic number, because the mean of its divisors is an integer number (1111309584).

Almost surely, 2^4445099999 is an apocalyptic number.

4445099999 is a deficient number, since it is larger than the sum of its proper divisors (138337).

4445099999 is an equidigital number, since it uses as much as digits as its factorization.

4445099999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138336.

The product of its (nonzero) digits is 18895680, while the sum is 62.

The square root of 4445099999 is about 66671.5831445452. The cubic root of 4445099999 is about 1644.2222157408. Note that the first 4 decimals are identical.

The spelling of 4445099999 in words is "four billion, four hundred forty-five million, ninety-nine thousand, nine hundred ninety-nine".