40843309607 has 2 divisors, whose sum is σ = 40843309608. Its totient is φ = 40843309606.

The previous prime is 40843309583. The next prime is 40843309643. The reversal of 40843309607 is 70690334804.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40843309607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40843309697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20421654803 + 20421654804.

It is an arithmetic number, because the mean of its divisors is an integer number (20421654804).

Almost surely, 2^40843309607 is an apocalyptic number.

40843309607 is a deficient number, since it is larger than the sum of its proper divisors (1).

40843309607 is an equidigital number, since it uses as much as digits as its factorization.

40843309607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 40843309607 in words is "forty billion, eight hundred forty-three million, three hundred nine thousand, six hundred seven".