7635774666361 has 2 divisors, whose sum is σ = 7635774666362. Its totient is φ = 7635774666360.

The previous prime is 7635774666293. The next prime is 7635774666379. The reversal of 7635774666361 is 1636664775367.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3870839828025 + 3764934838336 = 1967445^2 + 1940344^2 .

It is a cyclic number.

It is not a de Polignac number, because 7635774666361 - 2²¹ = 7635772569209 is a prime.

It is not a weakly prime, because it can be changed into another prime (7635774666661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3817887333180 + 3817887333181.

It is an arithmetic number, because the mean of its divisors is an integer number (3817887333181).

Almost surely, 2^{7635774666361} is an apocalyptic number.

It is an amenable number.

7635774666361 is a deficient number, since it is larger than the sum of its proper divisors (1).

7635774666361 is an equidigital number, since it uses as much as digits as its factorization.

7635774666361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480090240, while the sum is 67.

The spelling of 7635774666361 in words is "seven trillion, six hundred thirty-five billion, seven hundred seventy-four million, six hundred sixty-six thousand, three hundred sixty-one".