68494282027 has 2 divisors, whose sum is σ = 68494282028. Its totient is φ = 68494282026.

The previous prime is 68494281923. The next prime is 68494282061. The reversal of 68494282027 is 72028249486.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68494282027 is a prime.

It is not a weakly prime, because it can be changed into another prime (68494382027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34247141013 + 34247141014.

It is an arithmetic number, because the mean of its divisors is an integer number (34247141014).

Almost surely, 2^68494282027 is an apocalyptic number.

68494282027 is a deficient number, since it is larger than the sum of its proper divisors (1).

68494282027 is an equidigital number, since it uses as much as digits as its factorization.

68494282027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 68494282027 in words is "sixty-eight billion, four hundred ninety-four million, two hundred eighty-two thousand, twenty-seven".