610259065561 has 2 divisors, whose sum is σ = 610259065562. Its totient is φ = 610259065560.

The previous prime is 610259065529. The next prime is 610259065567. The reversal of 610259065561 is 165560952016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 492382890000 + 117876175561 = 701700^2 + 343331^2 .

It is a cyclic number.

It is not a de Polignac number, because 610259065561 - 2⁵ = 610259065529 is a prime.

It is a super-2 number, since 2×610259065561² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (610259065567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305129532780 + 305129532781.

It is an arithmetic number, because the mean of its divisors is an integer number (305129532781).

Almost surely, 2^610259065561 is an apocalyptic number.

It is an amenable number.

610259065561 is a deficient number, since it is larger than the sum of its proper divisors (1).

610259065561 is an equidigital number, since it uses as much as digits as its factorization.

610259065561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 610259065561 in words is "six hundred ten billion, two hundred fifty-nine million, sixty-five thousand, five hundred sixty-one".