4578743693 has 2 divisors, whose sum is σ = 4578743694. Its totient is φ = 4578743692.

The previous prime is 4578743683. The next prime is 4578743789. The reversal of 4578743693 is 3963478754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2871566569 + 1707177124 = 53587^2 + 41318^2 .

It is a cyclic number.

It is not a de Polignac number, because 4578743693 - 2⁶ = 4578743629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4578743623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2289371846 + 2289371847.

It is an arithmetic number, because the mean of its divisors is an integer number (2289371847).

Almost surely, 2^4578743693 is an apocalyptic number.

It is an amenable number.

4578743693 is a deficient number, since it is larger than the sum of its proper divisors (1).

4578743693 is an equidigital number, since it uses as much as digits as its factorization.

4578743693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 56.

The square root of 4578743693 is about 67666.4148082341. The cubic root of 4578743693 is about 1660.5378444195.

The spelling of 4578743693 in words is "four billion, five hundred seventy-eight million, seven hundred forty-three thousand, six hundred ninety-three".