4768493281261 has 2 divisors, whose sum is σ = 4768493281262. Its totient is φ = 4768493281260.

The previous prime is 4768493281259. The next prime is 4768493281361. The reversal of 4768493281261 is 1621823948674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2727898173225 + 2040595108036 = 1651635^2 + 1428494^2 .

It is a cyclic number.

It is not a de Polignac number, because 4768493281261 - 2¹ = 4768493281259 is a prime.

Together with 4768493281259, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4768493281261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4768493281231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2384246640630 + 2384246640631.

It is an arithmetic number, because the mean of its divisors is an integer number (2384246640631).

Almost surely, 2^{4768493281261} is an apocalyptic number.

It is an amenable number.

4768493281261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4768493281261 is an equidigital number, since it uses as much as digits as its factorization.

4768493281261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27869184, while the sum is 61.

The spelling of 4768493281261 in words is "four trillion, seven hundred sixty-eight billion, four hundred ninety-three million, two hundred eighty-one thousand, two hundred sixty-one".