4409049121 has 4 divisors (see below), whose sum is σ = 4551276544. Its totient is φ = 4266821700.

The previous prime is 4409049107. The next prime is 4409049137. The reversal of 4409049121 is 1219409044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4409049121 - 2⁷ = 4409048993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4409059121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71113665 + ... + 71113726.

It is an arithmetic number, because the mean of its divisors is an integer number (1137819136).

Almost surely, 2^4409049121 is an apocalyptic number.

It is an amenable number.

4409049121 is a deficient number, since it is larger than the sum of its proper divisors (142227423).

4409049121 is a wasteful number, since it uses less digits than its factorization.

4409049121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142227422.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 4409049121 is about 66400.6710884762. The cubic root of 4409049121 is about 1639.7651261151.

The spelling of 4409049121 in words is "four billion, four hundred nine million, forty-nine thousand, one hundred twenty-one".