7042664064893 has 2 divisors, whose sum is σ = 7042664064894. Its totient is φ = 7042664064892.

The previous prime is 7042664064881. The next prime is 7042664064923. The reversal of 7042664064893 is 3984604662407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7036695266329 + 5968798564 = 2652677^2 + 77258^2 .

It is a cyclic number.

It is not a de Polignac number, because 7042664064893 - 2¹² = 7042664060797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7042664064803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3521332032446 + 3521332032447.

It is an arithmetic number, because the mean of its divisors is an integer number (3521332032447).

Almost surely, 2^{7042664064893} is an apocalyptic number.

It is an amenable number.

7042664064893 is a deficient number, since it is larger than the sum of its proper divisors (1).

7042664064893 is an equidigital number, since it uses as much as digits as its factorization.

7042664064893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41803776, while the sum is 59.

The spelling of 7042664064893 in words is "seven trillion, forty-two billion, six hundred sixty-four million, sixty-four thousand, eight hundred ninety-three".