70406425171 has 2 divisors, whose sum is σ = 70406425172. Its totient is φ = 70406425170.

The previous prime is 70406425169. The next prime is 70406425223. The reversal of 70406425171 is 17152460407.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70406425171 - 2¹ = 70406425169 is a prime.

Together with 70406425169, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 70406425171.

It is not a weakly prime, because it can be changed into another prime (70406425571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35203212585 + 35203212586.

It is an arithmetic number, because the mean of its divisors is an integer number (35203212586).

Almost surely, 2^70406425171 is an apocalyptic number.

70406425171 is a deficient number, since it is larger than the sum of its proper divisors (1).

70406425171 is an equidigital number, since it uses as much as digits as its factorization.

70406425171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

Adding to 70406425171 its reverse (17152460407), we get a palindrome (87558885578).

The spelling of 70406425171 in words is "seventy billion, four hundred six million, four hundred twenty-five thousand, one hundred seventy-one".