610610555647 has 2 divisors, whose sum is σ = 610610555648. Its totient is φ = 610610555646.

The previous prime is 610610555591. The next prime is 610610555671. The reversal of 610610555647 is 746555016016.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-610610555647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 610610555597 and 610610555606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (610610585647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305305277823 + 305305277824.

It is an arithmetic number, because the mean of its divisors is an integer number (305305277824).

Almost surely, 2^610610555647 is an apocalyptic number.

610610555647 is a deficient number, since it is larger than the sum of its proper divisors (1).

610610555647 is an equidigital number, since it uses as much as digits as its factorization.

610610555647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756000, while the sum is 46.

The spelling of 610610555647 in words is "six hundred ten billion, six hundred ten million, five hundred fifty-five thousand, six hundred forty-seven".