610819842977 has 2 divisors, whose sum is σ = 610819842978. Its totient is φ = 610819842976.

The previous prime is 610819842929. The next prime is 610819842979. The reversal of 610819842977 is 779248918016.

It is a happy number.

610819842977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 526798704481 + 84021138496 = 725809^2 + 289864^2 .

It is a cyclic number.

It is not a de Polignac number, because 610819842977 - 2²⁶ = 610752734113 is a prime.

Together with 610819842979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (610819842979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305409921488 + 305409921489.

It is an arithmetic number, because the mean of its divisors is an integer number (305409921489).

Almost surely, 2^610819842977 is an apocalyptic number.

It is an amenable number.

610819842977 is a deficient number, since it is larger than the sum of its proper divisors (1).

610819842977 is an equidigital number, since it uses as much as digits as its factorization.

610819842977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 62.

The spelling of 610819842977 in words is "six hundred ten billion, eight hundred nineteen million, eight hundred forty-two thousand, nine hundred seventy-seven".