675663209286953 has 2 divisors, whose sum is σ = 675663209286954. Its totient is φ = 675663209286952.

The previous prime is 675663209286911. The next prime is 675663209286973. The reversal of 675663209286953 is 359682902366576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 649438486350889 + 26224722936064 = 25484083^2 + 5121008^2 .

It is a cyclic number.

It is not a de Polignac number, because 675663209286953 - 2⁸ = 675663209286697 is a prime.

It is not a weakly prime, because it can be changed into another prime (675663209286973) 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, 337831604643476 + 337831604643477.

It is an arithmetic number, because the mean of its divisors is an integer number (337831604643477).

Almost surely, 2^{675663209286953} is an apocalyptic number.

It is an amenable number.

675663209286953 is a deficient number, since it is larger than the sum of its proper divisors (1).

675663209286953 is an equidigital number, since it uses as much as digits as its factorization.

675663209286953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5290790400, while the sum is 77.

The spelling of 675663209286953 in words is "six hundred seventy-five trillion, six hundred sixty-three billion, two hundred nine million, two hundred eighty-six thousand, nine hundred fifty-three".