4768935781 has 2 divisors, whose sum is σ = 4768935782. Its totient is φ = 4768935780.

The previous prime is 4768935757. The next prime is 4768935811. The reversal of 4768935781 is 1875398674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4724500225 + 44435556 = 68735^2 + 6666^2 .

It is a cyclic number.

It is not a de Polignac number, because 4768935781 - 2¹¹ = 4768933733 is a prime.

It is a super-2 number, since 2×4768935781² = 45485496966604159922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4768905781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2384467890 + 2384467891.

It is an arithmetic number, because the mean of its divisors is an integer number (2384467891).

Almost surely, 2^4768935781 is an apocalyptic number.

It is an amenable number.

4768935781 is a deficient number, since it is larger than the sum of its proper divisors (1).

4768935781 is an equidigital number, since it uses as much as digits as its factorization.

4768935781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 58.

The square root of 4768935781 is about 69057.4817163209. The cubic root of 4768935781 is about 1683.2184831052.

The spelling of 4768935781 in words is "four billion, seven hundred sixty-eight million, nine hundred thirty-five thousand, seven hundred eighty-one".