7266604358401 has 2 divisors, whose sum is σ = 7266604358402. Its totient is φ = 7266604358400.

The previous prime is 7266604358341. The next prime is 7266604358441. The reversal of 7266604358401 is 1048534066627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4155176480625 + 3111427877776 = 2038425^2 + 1763924^2 .

It is a cyclic number.

It is not a de Polignac number, because 7266604358401 - 2¹¹ = 7266604356353 is a prime.

It is not a weakly prime, because it can be changed into another prime (7266604358441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3633302179200 + 3633302179201.

It is an arithmetic number, because the mean of its divisors is an integer number (3633302179201).

Almost surely, 2^{7266604358401} is an apocalyptic number.

It is an amenable number.

7266604358401 is a deficient number, since it is larger than the sum of its proper divisors (1).

7266604358401 is an equidigital number, since it uses as much as digits as its factorization.

7266604358401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 7266604358401 in words is "seven trillion, two hundred sixty-six billion, six hundred four million, three hundred fifty-eight thousand, four hundred one".