7606704490409 has 2 divisors, whose sum is σ = 7606704490410. Its totient is φ = 7606704490408.

The previous prime is 7606704490403. The next prime is 7606704490493. The reversal of 7606704490409 is 9040944076067.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5997429571225 + 1609274919184 = 2448965^2 + 1268572^2 .

It is an emirp because it is prime and its reverse (9040944076067) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7606704490409 - 2³² = 7602409523113 is a prime.

It is not a weakly prime, because it can be changed into another prime (7606704490403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3803352245204 + 3803352245205.

It is an arithmetic number, because the mean of its divisors is an integer number (3803352245205).

Almost surely, 2^{7606704490409} is an apocalyptic number.

It is an amenable number.

7606704490409 is a deficient number, since it is larger than the sum of its proper divisors (1).

7606704490409 is an equidigital number, since it uses as much as digits as its factorization.

7606704490409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 7606704490409 in words is "seven trillion, six hundred six billion, seven hundred four million, four hundred ninety thousand, four hundred nine".