70671702197 has 2 divisors, whose sum is σ = 70671702198. Its totient is φ = 70671702196.

The previous prime is 70671702181. The next prime is 70671702209. The reversal of 70671702197 is 79120717607.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68379112036 + 2292590161 = 261494^2 + 47881^2 .

It is a cyclic number.

It is not a de Polignac number, because 70671702197 - 2⁴ = 70671702181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70671702097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35335851098 + 35335851099.

It is an arithmetic number, because the mean of its divisors is an integer number (35335851099).

Almost surely, 2^70671702197 is an apocalyptic number.

It is an amenable number.

70671702197 is a deficient number, since it is larger than the sum of its proper divisors (1).

70671702197 is an equidigital number, since it uses as much as digits as its factorization.

70671702197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259308, while the sum is 47.

The spelling of 70671702197 in words is "seventy billion, six hundred seventy-one million, seven hundred two thousand, one hundred ninety-seven".