1011413009 has 2 divisors, whose sum is σ = 1011413010. Its totient is φ = 1011413008.

The previous prime is 1011413003. The next prime is 1011413021. The reversal of 1011413009 is 9003141101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 723771409 + 287641600 = 26903^2 + 16960^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011413009 - 2¹² = 1011408913 is a prime.

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 (1011413003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505706504 + 505706505.

It is an arithmetic number, because the mean of its divisors is an integer number (505706505).

Almost surely, 2^1011413009 is an apocalyptic number.

It is an amenable number.

1011413009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011413009 is an equidigital number, since it uses as much as digits as its factorization.

1011413009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1011413009 is about 31802.7201509556. The cubic root of 1011413009 is about 1003.7899544327.

The spelling of 1011413009 in words is "one billion, eleven million, four hundred thirteen thousand, nine".