70484681209 has 2 divisors, whose sum is σ = 70484681210. Its totient is φ = 70484681208.

The previous prime is 70484681203. The next prime is 70484681263. The reversal of 70484681209 is 90218648407.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62903148025 + 7581533184 = 250805^2 + 87072^2 .

It is a cyclic number.

It is not a de Polignac number, because 70484681209 - 2⁵ = 70484681177 is a prime.

It is not a weakly prime, because it can be changed into another prime (70484681203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35242340604 + 35242340605.

It is an arithmetic number, because the mean of its divisors is an integer number (35242340605).

Almost surely, 2^70484681209 is an apocalyptic number.

It is an amenable number.

70484681209 is a deficient number, since it is larger than the sum of its proper divisors (1).

70484681209 is an equidigital number, since it uses as much as digits as its factorization.

70484681209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 70484681209 in words is "seventy billion, four hundred eighty-four million, six hundred eighty-one thousand, two hundred nine".