40843375117 has 2 divisors, whose sum is σ = 40843375118. Its totient is φ = 40843375116.

The previous prime is 40843375093. The next prime is 40843375207. The reversal of 40843375117 is 71157334804.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31988753316 + 8854621801 = 178854^2 + 94099^2 .

It is a cyclic number.

It is not a de Polignac number, because 40843375117 - 2¹⁵ = 40843342349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40843375717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20421687558 + 20421687559.

It is an arithmetic number, because the mean of its divisors is an integer number (20421687559).

Almost surely, 2^40843375117 is an apocalyptic number.

It is an amenable number.

40843375117 is a deficient number, since it is larger than the sum of its proper divisors (1).

40843375117 is an equidigital number, since it uses as much as digits as its factorization.

40843375117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 40843375117 in words is "forty billion, eight hundred forty-three million, three hundred seventy-five thousand, one hundred seventeen".