40519785589 has 2 divisors, whose sum is σ = 40519785590. Its totient is φ = 40519785588.

The previous prime is 40519785569. The next prime is 40519785667. The reversal of 40519785589 is 98558791504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39455068689 + 1064716900 = 198633^2 + 32630^2 .

It is a cyclic number.

It is not a de Polignac number, because 40519785589 - 2¹¹ = 40519783541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40519785539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20259892794 + 20259892795.

It is an arithmetic number, because the mean of its divisors is an integer number (20259892795).

Almost surely, 2^40519785589 is an apocalyptic number.

It is an amenable number.

40519785589 is a deficient number, since it is larger than the sum of its proper divisors (1).

40519785589 is an equidigital number, since it uses as much as digits as its factorization.

40519785589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144000, while the sum is 61.

The spelling of 40519785589 in words is "forty billion, five hundred nineteen million, seven hundred eighty-five thousand, five hundred eighty-nine".