68048474129 has 2 divisors, whose sum is σ = 68048474130. Its totient is φ = 68048474128.

The previous prime is 68048474101. The next prime is 68048474147. The reversal of 68048474129 is 92147484086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34094883904 + 33953590225 = 184648^2 + 184265^2 .

It is a cyclic number.

It is not a de Polignac number, because 68048474129 - 2¹² = 68048470033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (68048444129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34024237064 + 34024237065.

It is an arithmetic number, because the mean of its divisors is an integer number (34024237065).

Almost surely, 2^68048474129 is an apocalyptic number.

It is an amenable number.

68048474129 is a deficient number, since it is larger than the sum of its proper divisors (1).

68048474129 is an equidigital number, since it uses as much as digits as its factorization.

68048474129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 68048474129 in words is "sixty-eight billion, forty-eight million, four hundred seventy-four thousand, one hundred twenty-nine".