7185363649 has 2 divisors, whose sum is σ = 7185363650. Its totient is φ = 7185363648.

The previous prime is 7185363587. The next prime is 7185363671. The reversal of 7185363649 is 9463635817.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4315833025 + 2869530624 = 65695^2 + 53568^2 .

It is a cyclic number.

It is not a de Polignac number, because 7185363649 - 2²⁷ = 7051145921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7185363596 and 7185363605.

It is not a weakly prime, because it can be changed into another prime (7185363349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3592681824 + 3592681825.

It is an arithmetic number, because the mean of its divisors is an integer number (3592681825).

Almost surely, 2^7185363649 is an apocalyptic number.

It is an amenable number.

7185363649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7185363649 is an equidigital number, since it uses as much as digits as its factorization.

7185363649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 52.

The square root of 7185363649 is about 84766.5243418650. The cubic root of 7185363649 is about 1929.6694333036.

The spelling of 7185363649 in words is "seven billion, one hundred eighty-five million, three hundred sixty-three thousand, six hundred forty-nine".