4627742789 has 2 divisors, whose sum is σ = 4627742790. Its totient is φ = 4627742788.

The previous prime is 4627742767. The next prime is 4627742797. The reversal of 4627742789 is 9872477264.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4307690689 + 320052100 = 65633^2 + 17890^2 .

It is a cyclic number.

It is not a de Polignac number, because 4627742789 - 2²⁰ = 4626694213 is a prime.

It is a super-2 number, since 2×4627742789² = 42832006642282997042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4627742389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2313871394 + 2313871395.

It is an arithmetic number, because the mean of its divisors is an integer number (2313871395).

Almost surely, 2^4627742789 is an apocalyptic number.

It is an amenable number.

4627742789 is a deficient number, since it is larger than the sum of its proper divisors (1).

4627742789 is an equidigital number, since it uses as much as digits as its factorization.

4627742789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9483264, while the sum is 56.

The square root of 4627742789 is about 68027.5149406474. The cubic root of 4627742789 is about 1666.4402150243.

The spelling of 4627742789 in words is "four billion, six hundred twenty-seven million, seven hundred forty-two thousand, seven hundred eighty-nine".