4409999999 has 4 divisors (see below), whose sum is σ = 4410261336. Its totient is φ = 4409738664.

The previous prime is 4409999987. The next prime is 4410000011. The reversal of 4409999999 is 9999999044.

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

It is an interprime number because it is at equal distance from previous prime (4409999987) and next prime (4410000011).

It is a cyclic number.

It is not a de Polignac number, because 4409999999 - 2²⁰ = 4408951423 is a prime.

It is a Duffinian number.

4409999999 is a modest number, since divided by 99999 gives 44099 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4409999969) 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, 103469 + ... + 139734.

It is an arithmetic number, because the mean of its divisors is an integer number (1102565334).

Almost surely, 2^4409999999 is an apocalyptic number.

4409999999 is a deficient number, since it is larger than the sum of its proper divisors (261337).

4409999999 is a wasteful number, since it uses less digits than its factorization.

4409999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261336.

The product of its (nonzero) digits is 76527504, while the sum is 71.

The square root of 4409999999 is about 66407.8308560067. The cubic root of 4409999999 is about 1639.8829976761.

The spelling of 4409999999 in words is "four billion, four hundred nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".