40006666703369 has 2 divisors, whose sum is σ = 40006666703370. Its totient is φ = 40006666703368.

The previous prime is 40006666703363. The next prime is 40006666703387. The reversal of 40006666703369 is 96330766660004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37637145247744 + 2369521455625 = 6134912^2 + 1539325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40006666703369 is a prime.

It is a super-2 number, since 2×40006666703369² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40006666703363) 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, 20003333351684 + 20003333351685.

It is an arithmetic number, because the mean of its divisors is an integer number (20003333351685).

Almost surely, 2^{40006666703369} is an apocalyptic number.

It is an amenable number.

40006666703369 is a deficient number, since it is larger than the sum of its proper divisors (1).

40006666703369 is an equidigital number, since it uses as much as digits as its factorization.

40006666703369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17635968, while the sum is 56.

The spelling of 40006666703369 in words is "forty trillion, six billion, six hundred sixty-six million, seven hundred three thousand, three hundred sixty-nine".