70666667069 has 2 divisors, whose sum is σ = 70666667070. Its totient is φ = 70666667068.

The previous prime is 70666667063. The next prime is 70666667089. The reversal of 70666667069 is 96076666607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47148911044 + 23517756025 = 217138^2 + 153355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70666667069 is a prime.

It is a super-2 number, since 2×70666667069² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70666666999 and 70666667017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70666667063) 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, 35333333534 + 35333333535.

It is an arithmetic number, because the mean of its divisors is an integer number (35333333535).

Almost surely, 2^70666667069 is an apocalyptic number.

It is an amenable number.

70666667069 is a deficient number, since it is larger than the sum of its proper divisors (1).

70666667069 is an equidigital number, since it uses as much as digits as its factorization.

70666667069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20575296, while the sum is 59.

The spelling of 70666667069 in words is "seventy billion, six hundred sixty-six million, six hundred sixty-seven thousand, sixty-nine".