46040009 has 2 divisors, whose sum is σ = 46040010. Its totient is φ = 46040008.

The previous prime is 46040003. The next prime is 46040069. The reversal of 46040009 is 90004064.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36336784 + 9703225 = 6028^2 + 3115^2 .

It is a cyclic number.

It is not a de Polignac number, because 46040009 - 2⁸ = 46039753 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (46040003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23020004 + 23020005.

It is an arithmetic number, because the mean of its divisors is an integer number (23020005).

Almost surely, 2^46040009 is an apocalyptic number.

It is an amenable number.

46040009 is a deficient number, since it is larger than the sum of its proper divisors (1).

46040009 is an equidigital number, since it uses as much as digits as its factorization.

46040009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 46040009 is about 6785.2788446754. The cubic root of 46040009 is about 358.4086368270.

The spelling of 46040009 in words is "forty-six million, forty thousand, nine".