4909909449 has 8 divisors (see below), whose sum is σ = 6706217952. Its totient is φ = 3193436960.

The previous prime is 4909909447. The next prime is 4909909457. The reversal of 4909909449 is 9449099094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4909909449 - 2¹ = 4909909447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4909909447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19958859 + ... + 19959104.

It is an arithmetic number, because the mean of its divisors is an integer number (838277244).

Almost surely, 2^4909909449 is an apocalyptic number.

It is an amenable number.

4909909449 is a deficient number, since it is larger than the sum of its proper divisors (1796308503).

4909909449 is a wasteful number, since it uses less digits than its factorization.

4909909449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39918007.

The product of its (nonzero) digits is 3779136, while the sum is 57.

The square root of 4909909449 is about 70070.7460285674. The cubic root of 4909909449 is about 1699.6434602919.

The spelling of 4909909449 in words is "four billion, nine hundred nine million, nine hundred nine thousand, four hundred forty-nine".