70447420653629 has 2 divisors, whose sum is σ = 70447420653630. Its totient is φ = 70447420653628.

The previous prime is 70447420653619. The next prime is 70447420653713. The reversal of 70447420653629 is 92635602474407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56118152352025 + 14329268301604 = 7491205^2 + 3785402^2 .

It is an emirp because it is prime and its reverse (92635602474407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70447420653629 - 2⁴⁰ = 69347909025853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70447420653619) 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, 35223710326814 + 35223710326815.

It is an arithmetic number, because the mean of its divisors is an integer number (35223710326815).

Almost surely, 2^{70447420653629} is an apocalyptic number.

It is an amenable number.

70447420653629 is a deficient number, since it is larger than the sum of its proper divisors (1).

70447420653629 is an equidigital number, since it uses as much as digits as its factorization.

70447420653629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60963840, while the sum is 59.

The spelling of 70447420653629 in words is "seventy trillion, four hundred forty-seven billion, four hundred twenty million, six hundred fifty-three thousand, six hundred twenty-nine".