3405240040073 has 2 divisors, whose sum is σ = 3405240040074. Its totient is φ = 3405240040072.

The previous prime is 3405240040051. The next prime is 3405240040093. The reversal of 3405240040073 is 3700400425043.

3405240040073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3199547857984 + 205692182089 = 1788728^2 + 453533^2 .

It is a cyclic number.

It is not a de Polignac number, because 3405240040073 - 2¹⁶ = 3405239974537 is a prime.

It is not a weakly prime, because it can be changed into another prime (3405240040093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1702620020036 + 1702620020037.

It is an arithmetic number, because the mean of its divisors is an integer number (1702620020037).

Almost surely, 2^{3405240040073} is an apocalyptic number.

It is an amenable number.

3405240040073 is a deficient number, since it is larger than the sum of its proper divisors (1).

3405240040073 is an equidigital number, since it uses as much as digits as its factorization.

3405240040073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 32.

The spelling of 3405240040073 in words is "three trillion, four hundred five billion, two hundred forty million, forty thousand, seventy-three".