70536267709 has 2 divisors, whose sum is σ = 70536267710. Its totient is φ = 70536267708.

The previous prime is 70536267707. The next prime is 70536267811. The reversal of 70536267709 is 90776263507.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36660760900 + 33875506809 = 191470^2 + 184053^2 .

It is a cyclic number.

It is not a de Polignac number, because 70536267709 - 2¹ = 70536267707 is a prime.

It is a super-2 number, since 2×70536267709² (a number of 22 digits) contains 22 as substring.

Together with 70536267707, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70536267707) 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, 35268133854 + 35268133855.

It is an arithmetic number, because the mean of its divisors is an integer number (35268133855).

Almost surely, 2^70536267709 is an apocalyptic number.

It is an amenable number.

70536267709 is a deficient number, since it is larger than the sum of its proper divisors (1).

70536267709 is an equidigital number, since it uses as much as digits as its factorization.

70536267709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3333960, while the sum is 52.

The spelling of 70536267709 in words is "seventy billion, five hundred thirty-six million, two hundred sixty-seven thousand, seven hundred nine".