610634489 has 2 divisors, whose sum is σ = 610634490. Its totient is φ = 610634488.

The previous prime is 610634419. The next prime is 610634491. The reversal of 610634489 is 984436016.

610634489 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., 436183225 + 174451264 = 20885^2 + 13208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-610634489 is a prime.

It is a super-2 number, since 2×610634489² = 745748958312582242, which contains 22 as substring.

Together with 610634491, 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 (610634419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305317244 + 305317245.

It is an arithmetic number, because the mean of its divisors is an integer number (305317245).

Almost surely, 2^610634489 is an apocalyptic number.

It is an amenable number.

610634489 is a deficient number, since it is larger than the sum of its proper divisors (1).

610634489 is an equidigital number, since it uses as much as digits as its factorization.

610634489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 610634489 is about 24711.0195864112. The cubic root of 610634489 is about 848.3865536410.

The spelling of 610634489 in words is "six hundred ten million, six hundred thirty-four thousand, four hundred eighty-nine".