68486770123 has 2 divisors, whose sum is σ = 68486770124. Its totient is φ = 68486770122.

The previous prime is 68486770049. The next prime is 68486770153. The reversal of 68486770123 is 32107768486.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68486770123 is a prime.

It is not a weakly prime, because it can be changed into another prime (68486770153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34243385061 + 34243385062.

It is an arithmetic number, because the mean of its divisors is an integer number (34243385062).

Almost surely, 2^68486770123 is an apocalyptic number.

68486770123 is a deficient number, since it is larger than the sum of its proper divisors (1).

68486770123 is an equidigital number, since it uses as much as digits as its factorization.

68486770123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 68486770123 in words is "sixty-eight billion, four hundred eighty-six million, seven hundred seventy thousand, one hundred twenty-three".