10040433209 has 2 divisors, whose sum is σ = 10040433210. Its totient is φ = 10040433208.

The previous prime is 10040433191. The next prime is 10040433211. The reversal of 10040433209 is 90233404001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7103118400 + 2937314809 = 84280^2 + 54197^2 .

It is a cyclic number.

It is not a de Polignac number, because 10040433209 - 2⁸ = 10040432953 is a prime.

Together with 10040433211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10040433239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5020216604 + 5020216605.

It is an arithmetic number, because the mean of its divisors is an integer number (5020216605).

Almost surely, 2^10040433209 is an apocalyptic number.

It is an amenable number.

10040433209 is a deficient number, since it is larger than the sum of its proper divisors (1).

10040433209 is an equidigital number, since it uses as much as digits as its factorization.

10040433209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 10040433209 in words is "ten billion, forty million, four hundred thirty-three thousand, two hundred nine".