610884381695893 has 2 divisors, whose sum is σ = 610884381695894. Its totient is φ = 610884381695892.

The previous prime is 610884381695881. The next prime is 610884381695923. The reversal of 610884381695893 is 398596183488016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 573055756047889 + 37828625648004 = 23938583^2 + 6150498^2 .

It is a cyclic number.

It is not a de Polignac number, because 610884381695893 - 2³⁷ = 610746942742421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (610884381693893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305442190847946 + 305442190847947.

It is an arithmetic number, because the mean of its divisors is an integer number (305442190847947).

Almost surely, 2^{610884381695893} is an apocalyptic number.

It is an amenable number.

610884381695893 is a deficient number, since it is larger than the sum of its proper divisors (1).

610884381695893 is an equidigital number, since it uses as much as digits as its factorization.

610884381695893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2149908480, while the sum is 79.

The spelling of 610884381695893 in words is "six hundred ten trillion, eight hundred eighty-four billion, three hundred eighty-one million, six hundred ninety-five thousand, eight hundred ninety-three".