1350479209 has 4 divisors (see below), whose sum is σ = 1350556416. Its totient is φ = 1350402004.

The previous prime is 1350479203. The next prime is 1350479213. The reversal of 1350479209 is 9029740531.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1350479209 - 2⁹ = 1350478697 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1350479203) 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, 1572 + ... + 51994.

It is an arithmetic number, because the mean of its divisors is an integer number (337639104).

Almost surely, 2^1350479209 is an apocalyptic number.

It is an amenable number.

1350479209 is a deficient number, since it is larger than the sum of its proper divisors (77207).

1350479209 is an equidigital number, since it uses as much as digits as its factorization.

1350479209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77206.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 1350479209 is about 36748.8667716434. The cubic root of 1350479209 is about 1105.3402060515.

The spelling of 1350479209 in words is "one billion, three hundred fifty million, four hundred seventy-nine thousand, two hundred nine".