655632682657 has 2 divisors, whose sum is σ = 655632682658. Its totient is φ = 655632682656.

The previous prime is 655632682633. The next prime is 655632682667. The reversal of 655632682657 is 756286236556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 606473367696 + 49159314961 = 778764^2 + 221719^2 .

It is a cyclic number.

It is not a de Polignac number, because 655632682657 - 2³¹ = 653485199009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655632682595 and 655632682604.

It is not a weakly prime, because it can be changed into another prime (655632682667) 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, 327816341328 + 327816341329.

It is an arithmetic number, because the mean of its divisors is an integer number (327816341329).

Almost surely, 2^655632682657 is an apocalyptic number.

It is an amenable number.

655632682657 is a deficient number, since it is larger than the sum of its proper divisors (1).

655632682657 is an equidigital number, since it uses as much as digits as its factorization.

655632682657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864000, while the sum is 61.

The spelling of 655632682657 in words is "six hundred fifty-five billion, six hundred thirty-two million, six hundred eighty-two thousand, six hundred fifty-seven".