70086665213 has 2 divisors, whose sum is σ = 70086665214. Its totient is φ = 70086665212.

The previous prime is 70086665203. The next prime is 70086665267. The reversal of 70086665213 is 31256668007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65842533604 + 4244131609 = 256598^2 + 65147^2 .

It is a cyclic number.

It is not a de Polignac number, because 70086665213 - 2⁴ = 70086665197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70086665203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35043332606 + 35043332607.

It is an arithmetic number, because the mean of its divisors is an integer number (35043332607).

Almost surely, 2^70086665213 is an apocalyptic number.

It is an amenable number.

70086665213 is a deficient number, since it is larger than the sum of its proper divisors (1).

70086665213 is an equidigital number, since it uses as much as digits as its factorization.

70086665213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 70086665213 in words is "seventy billion, eighty-six million, six hundred sixty-five thousand, two hundred thirteen".