4663742689 has 2 divisors, whose sum is σ = 4663742690. Its totient is φ = 4663742688.

The previous prime is 4663742687. The next prime is 4663742723. The reversal of 4663742689 is 9862473664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2361182464 + 2302560225 = 48592^2 + 47985^2 .

It is a cyclic number.

It is not a de Polignac number, because 4663742689 - 2¹ = 4663742687 is a prime.

Together with 4663742687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4663742687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2331871344 + 2331871345.

It is an arithmetic number, because the mean of its divisors is an integer number (2331871345).

Almost surely, 2^4663742689 is an apocalyptic number.

It is an amenable number.

4663742689 is a deficient number, since it is larger than the sum of its proper divisors (1).

4663742689 is an equidigital number, since it uses as much as digits as its factorization.

4663742689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 55.

The square root of 4663742689 is about 68291.6004278711. The cubic root of 4663742689 is about 1670.7502203732.

The spelling of 4663742689 in words is "four billion, six hundred sixty-three million, seven hundred forty-two thousand, six hundred eighty-nine".