655066452647 has 2 divisors, whose sum is σ = 655066452648. Its totient is φ = 655066452646.

The previous prime is 655066452587. The next prime is 655066452709. The reversal of 655066452647 is 746254660556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 655066452647 - 2⁶ = 655066452583 is a prime.

It is a super-2 number, since 2×655066452647² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 655066452592 and 655066452601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655066452347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327533226323 + 327533226324.

It is an arithmetic number, because the mean of its divisors is an integer number (327533226324).

Almost surely, 2^655066452647 is an apocalyptic number.

655066452647 is a deficient number, since it is larger than the sum of its proper divisors (1).

655066452647 is an equidigital number, since it uses as much as digits as its factorization.

655066452647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288000, while the sum is 56.

The spelling of 655066452647 in words is "six hundred fifty-five billion, sixty-six million, four hundred fifty-two thousand, six hundred forty-seven".