1471411209 has 4 divisors (see below), whose sum is σ = 1961881616. Its totient is φ = 980940804.

The previous prime is 1471411199. The next prime is 1471411229. The reversal of 1471411209 is 9021141741.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9021141741 = 3 ⋅3007047247.

It is not a de Polignac number, because 1471411209 - 2⁸ = 1471410953 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1471411229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245235199 + ... + 245235204.

It is an arithmetic number, because the mean of its divisors is an integer number (490470404).

Almost surely, 2^1471411209 is an apocalyptic number.

It is an amenable number.

1471411209 is a deficient number, since it is larger than the sum of its proper divisors (490470407).

1471411209 is an equidigital number, since it uses as much as digits as its factorization.

1471411209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490470406.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 1471411209 is about 38358.9782058907. The cubic root of 1471411209 is about 1137.3951011265.

The spelling of 1471411209 in words is "one billion, four hundred seventy-one million, four hundred eleven thousand, two hundred nine".