949068809 has 16 divisors (see below), whose sum is σ = 1084679568. Its totient is φ = 822638592.

The previous prime is 949068793. The next prime is 949068817. The reversal of 949068809 is 908860949.

It can be written as a sum of positive squares in 8 ways, for example, as 37210000 + 911858809 = 6100^2 + 30197^2 .

It is a cyclic number.

It is not a de Polignac number, because 949068809 - 2⁴ = 949068793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (949068889) 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 15 ways as a sum of consecutive naturals, for example, 96299 + ... + 105695.

It is an arithmetic number, because the mean of its divisors is an integer number (67792473).

Almost surely, 2^949068809 is an apocalyptic number.

It is an amenable number.

949068809 is a deficient number, since it is larger than the sum of its proper divisors (135610759).

949068809 is a wasteful number, since it uses less digits than its factorization.

949068809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9884.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The square root of 949068809 is about 30806.9603985853. The cubic root of 949068809 is about 982.7262727341.

The spelling of 949068809 in words is "nine hundred forty-nine million, sixty-eight thousand, eight hundred nine".