1408966909 has 4 divisors (see below), whose sum is σ = 1610247904. Its totient is φ = 1207685916.

The previous prime is 1408966891. The next prime is 1408966931. The reversal of 1408966909 is 9096698041.

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 1408966909 - 2¹⁷ = 1408835837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1408966609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100640487 + ... + 100640500.

It is an arithmetic number, because the mean of its divisors is an integer number (402561976).

Almost surely, 2^1408966909 is an apocalyptic number.

It is an amenable number.

1408966909 is a deficient number, since it is larger than the sum of its proper divisors (201280995).

1408966909 is an equidigital number, since it uses as much as digits as its factorization.

1408966909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201280994.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 1408966909 is about 37536.2079731025. The cubic root of 1408966909 is about 1121.0722376692.

The spelling of 1408966909 in words is "one billion, four hundred eight million, nine hundred sixty-six thousand, nine hundred nine".