7266566316433 has 2 divisors, whose sum is σ = 7266566316434. Its totient is φ = 7266566316432.

The previous prime is 7266566316419. The next prime is 7266566316461. The reversal of 7266566316433 is 3346136656627.

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., 7224306469249 + 42259847184 = 2687807^2 + 205572^2 .

It is an emirp because it is prime and its reverse (3346136656627) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7266566316433 is a prime.

It is a super-2 number, since 2×7266566316433² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7266566316403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3633283158216 + 3633283158217.

It is an arithmetic number, because the mean of its divisors is an integer number (3633283158217).

Almost surely, 2^{7266566316433} is an apocalyptic number.

It is an amenable number.

7266566316433 is a deficient number, since it is larger than the sum of its proper divisors (1).

7266566316433 is an equidigital number, since it uses as much as digits as its factorization.

7266566316433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58786560, while the sum is 58.

The spelling of 7266566316433 in words is "seven trillion, two hundred sixty-six billion, five hundred sixty-six million, three hundred sixteen thousand, four hundred thirty-three".