7066740037393 has 2 divisors, whose sum is σ = 7066740037394. Its totient is φ = 7066740037392.

The previous prime is 7066740037321. The next prime is 7066740037403. The reversal of 7066740037393 is 3937300476607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6901848816769 + 164891220624 = 2627137^2 + 406068^2 .

It is an emirp because it is prime and its reverse (3937300476607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7066740037393 - 2¹⁷ = 7066739906321 is a prime.

It is not a weakly prime, because it can be changed into another prime (7066740037303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3533370018696 + 3533370018697.

It is an arithmetic number, because the mean of its divisors is an integer number (3533370018697).

Almost surely, 2^{7066740037393} is an apocalyptic number.

It is an amenable number.

7066740037393 is a deficient number, since it is larger than the sum of its proper divisors (1).

7066740037393 is an equidigital number, since it uses as much as digits as its factorization.

7066740037393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12002256, while the sum is 55.

The spelling of 7066740037393 in words is "seven trillion, sixty-six billion, seven hundred forty million, thirty-seven thousand, three hundred ninety-three".