40965272813 has 2 divisors, whose sum is σ = 40965272814. Its totient is φ = 40965272812.

The previous prime is 40965272779. The next prime is 40965272849. The reversal of 40965272813 is 31827256904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40193433289 + 771839524 = 200483^2 + 27782^2 .

It is a cyclic number.

It is not a de Polignac number, because 40965272813 - 2²⁰ = 40964224237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40965472813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20482636406 + 20482636407.

It is an arithmetic number, because the mean of its divisors is an integer number (20482636407).

It is a 1-persistent number, because it is pandigital, but 2⋅40965272813 = 81930545626 is not.

Almost surely, 2^40965272813 is an apocalyptic number.

It is an amenable number.

40965272813 is a deficient number, since it is larger than the sum of its proper divisors (1).

40965272813 is an equidigital number, since it uses as much as digits as its factorization.

40965272813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 40965272813 in words is "forty billion, nine hundred sixty-five million, two hundred seventy-two thousand, eight hundred thirteen".