68019728363 has 2 divisors, whose sum is σ = 68019728364. Its totient is φ = 68019728362.

The previous prime is 68019728297. The next prime is 68019728377. The reversal of 68019728363 is 36382791086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68019728363 - 2⁸ = 68019728107 is a prime.

It is not a weakly prime, because it can be changed into another prime (68019728393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34009864181 + 34009864182.

It is an arithmetic number, because the mean of its divisors is an integer number (34009864182).

Almost surely, 2^68019728363 is an apocalyptic number.

68019728363 is a deficient number, since it is larger than the sum of its proper divisors (1).

68019728363 is an equidigital number, since it uses as much as digits as its factorization.

68019728363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 68019728363 in words is "sixty-eight billion, nineteen million, seven hundred twenty-eight thousand, three hundred sixty-three".