4784760287981 has 2 divisors, whose sum is σ = 4784760287982. Its totient is φ = 4784760287980.

The previous prime is 4784760287939. The next prime is 4784760288013. The reversal of 4784760287981 is 1897820674874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4744812271081 + 39948016900 = 2178259^2 + 199870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4784760287981 is a prime.

It is a super-2 number, since 2×4784760287981² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4784760227981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2392380143990 + 2392380143991.

It is an arithmetic number, because the mean of its divisors is an integer number (2392380143991).

Almost surely, 2^{4784760287981} is an apocalyptic number.

It is an amenable number.

4784760287981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4784760287981 is an equidigital number, since it uses as much as digits as its factorization.

4784760287981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 303464448, while the sum is 71.

The spelling of 4784760287981 in words is "four trillion, seven hundred eighty-four billion, seven hundred sixty million, two hundred eighty-seven thousand, nine hundred eighty-one".