70671041009 has 2 divisors, whose sum is σ = 70671041010. Its totient is φ = 70671041008.

The previous prime is 70671040967. The next prime is 70671041029. The reversal of 70671041009 is 90014017607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69354802609 + 1316238400 = 263353^2 + 36280^2 .

It is a cyclic number.

It is not a de Polignac number, because 70671041009 - 2¹² = 70671036913 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70671041009.

It is not a weakly prime, because it can be changed into another prime (70671041029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35335520504 + 35335520505.

It is an arithmetic number, because the mean of its divisors is an integer number (35335520505).

Almost surely, 2^70671041009 is an apocalyptic number.

It is an amenable number.

70671041009 is a deficient number, since it is larger than the sum of its proper divisors (1).

70671041009 is an equidigital number, since it uses as much as digits as its factorization.

70671041009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 35.

The spelling of 70671041009 in words is "seventy billion, six hundred seventy-one million, forty-one thousand, nine".