1049133209 has 2 divisors, whose sum is σ = 1049133210. Its totient is φ = 1049133208.

The previous prime is 1049133179. The next prime is 1049133227. The reversal of 1049133209 is 9023319401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 985771609 + 63361600 = 31397^2 + 7960^2 .

It is a cyclic number.

It is not a de Polignac number, because 1049133209 - 2¹² = 1049129113 is a prime.

It is a super-2 number, since 2×1049133209² = 2201360980453275362, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1049133229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524566604 + 524566605.

It is an arithmetic number, because the mean of its divisors is an integer number (524566605).

Almost surely, 2^1049133209 is an apocalyptic number.

It is an amenable number.

1049133209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1049133209 is an equidigital number, since it uses as much as digits as its factorization.

1049133209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 1049133209 is about 32390.3258551068. The cubic root of 1049133209 is about 1016.1165962584.

The spelling of 1049133209 in words is "one billion, forty-nine million, one hundred thirty-three thousand, two hundred nine".