4046531009 has 2 divisors, whose sum is σ = 4046531010. Its totient is φ = 4046531008.

The previous prime is 4046531003. The next prime is 4046531089. The reversal of 4046531009 is 9001356404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3077142784 + 969388225 = 55472^2 + 31135^2 .

It is a cyclic number.

It is not a de Polignac number, because 4046531009 - 2²⁰ = 4045482433 is a prime.

It is not a weakly prime, because it can be changed into another prime (4046531003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2023265504 + 2023265505.

It is an arithmetic number, because the mean of its divisors is an integer number (2023265505).

Almost surely, 2^4046531009 is an apocalyptic number.

It is an amenable number.

4046531009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4046531009 is an equidigital number, since it uses as much as digits as its factorization.

4046531009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 4046531009 is about 63612.3495007062. The cubic root of 4046531009 is about 1593.5326184631.

The spelling of 4046531009 in words is "four billion, forty-six million, five hundred thirty-one thousand, nine".