70168949129 has 2 divisors, whose sum is σ = 70168949130. Its totient is φ = 70168949128.

The previous prime is 70168949093. The next prime is 70168949141. The reversal of 70168949129 is 92194986107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61566015625 + 8602933504 = 248125^2 + 92752^2 .

It is a cyclic number.

It is not a de Polignac number, because 70168949129 - 2²⁸ = 69900513673 is a prime.

It is not a weakly prime, because it can be changed into another prime (70168946129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35084474564 + 35084474565.

It is an arithmetic number, because the mean of its divisors is an integer number (35084474565).

Almost surely, 2^70168949129 is an apocalyptic number.

It is an amenable number.

70168949129 is a deficient number, since it is larger than the sum of its proper divisors (1).

70168949129 is an equidigital number, since it uses as much as digits as its factorization.

70168949129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 56.

The spelling of 70168949129 in words is "seventy billion, one hundred sixty-eight million, nine hundred forty-nine thousand, one hundred twenty-nine".