610884381695881 has 2 divisors, whose sum is σ = 610884381695882. Its totient is φ = 610884381695880.

The previous prime is 610884381695869. The next prime is 610884381695893. The reversal of 610884381695881 is 188596183488016.

610884381695881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (610884381695869) and next prime (610884381695893).

It can be written as a sum of positive squares in only one way, i.e., 478078924680256 + 132805457015625 = 21865016^2 + 11524125^2 .

It is a cyclic number.

It is not a de Polignac number, because 610884381695881 - 2³³ = 610875791761289 is a prime.

It is a super-2 number, since 2×610884381695881² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 610884381695798 and 610884381695807.

It is not a weakly prime, because it can be changed into another prime (610884381695801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305442190847940 + 305442190847941.

It is an arithmetic number, because the mean of its divisors is an integer number (305442190847941).

Almost surely, 2^{610884381695881} is an apocalyptic number.

It is an amenable number.

610884381695881 is a deficient number, since it is larger than the sum of its proper divisors (1).

610884381695881 is an equidigital number, since it uses as much as digits as its factorization.

610884381695881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 637009920, while the sum is 76.

The spelling of 610884381695881 in words is "six hundred ten trillion, eight hundred eighty-four billion, three hundred eighty-one million, six hundred ninety-five thousand, eight hundred eighty-one".