1940066057029 has 2 divisors, whose sum is σ = 1940066057030. Its totient is φ = 1940066057028.

The previous prime is 1940066056993. The next prime is 1940066057077. The reversal of 1940066057029 is 9207506600491.

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., 1766302134529 + 173763922500 = 1329023^2 + 416850^2 .

It is a cyclic number.

It is not a de Polignac number, because 1940066057029 - 2¹¹ = 1940066054981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1940066057099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970033028514 + 970033028515.

It is an arithmetic number, because the mean of its divisors is an integer number (970033028515).

Almost surely, 2^{1940066057029} is an apocalyptic number.

It is an amenable number.

1940066057029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1940066057029 is an equidigital number, since it uses as much as digits as its factorization.

1940066057029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 1940066057029 in words is "one trillion, nine hundred forty billion, sixty-six million, fifty-seven thousand, twenty-nine".