36407009 has 2 divisors, whose sum is σ = 36407010. Its totient is φ = 36407008.

The previous prime is 36406991. The next prime is 36407011. The reversal of 36407009 is 90070463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36336784 + 70225 = 6028^2 + 265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36407009 is a prime.

It is a Sophie Germain prime.

Together with 36407011, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (36407039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18203504 + 18203505.

It is an arithmetic number, because the mean of its divisors is an integer number (18203505).

Almost surely, 2^36407009 is an apocalyptic number.

It is an amenable number.

36407009 is a deficient number, since it is larger than the sum of its proper divisors (1).

36407009 is an equidigital number, since it uses as much as digits as its factorization.

36407009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 36407009 is about 6033.8220888588. The cubic root of 36407009 is about 331.4324295227.

The spelling of 36407009 in words is "thirty-six million, four hundred seven thousand, nine".