4068761656313 has 2 divisors, whose sum is σ = 4068761656314. Its totient is φ = 4068761656312.

The previous prime is 4068761656301. The next prime is 4068761656357. The reversal of 4068761656313 is 3136561678604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2320223539984 + 1748538116329 = 1523228^2 + 1322323^2 .

It is a cyclic number.

It is not a de Polignac number, because 4068761656313 - 2²² = 4068757462009 is a prime.

It is not a weakly prime, because it can be changed into another prime (4068761656363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2034380828156 + 2034380828157.

It is an arithmetic number, because the mean of its divisors is an integer number (2034380828157).

Almost surely, 2^{4068761656313} is an apocalyptic number.

It is an amenable number.

4068761656313 is a deficient number, since it is larger than the sum of its proper divisors (1).

4068761656313 is an equidigital number, since it uses as much as digits as its factorization.

4068761656313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 4068761656313 in words is "four trillion, sixty-eight billion, seven hundred sixty-one million, six hundred fifty-six thousand, three hundred thirteen".