7040406013 has 2 divisors, whose sum is σ = 7040406014. Its totient is φ = 7040406012.

The previous prime is 7040405989. The next prime is 7040406019. The reversal of 7040406013 is 3106040407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6795858969 + 244547044 = 82437^2 + 15638^2 .

It is an emirp because it is prime and its reverse (3106040407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7040406013 - 2¹³ = 7040397821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7040406019) 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, 3520203006 + 3520203007.

It is an arithmetic number, because the mean of its divisors is an integer number (3520203007).

Almost surely, 2^7040406013 is an apocalyptic number.

It is an amenable number.

7040406013 is a deficient number, since it is larger than the sum of its proper divisors (1).

7040406013 is an equidigital number, since it uses as much as digits as its factorization.

7040406013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 7040406013 is about 83907.1273075178. The cubic root of 7040406013 is about 1916.6047864114.

The spelling of 7040406013 in words is "seven billion, forty million, four hundred six thousand, thirteen".