70667370006689 has 2 divisors, whose sum is σ = 70667370006690. Its totient is φ = 70667370006688.

The previous prime is 70667370006679. The next prime is 70667370006797. The reversal of 70667370006689 is 98660007376607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64390866969664 + 6276503037025 = 8024392^2 + 2505295^2 .

It is a cyclic number.

It is not a de Polignac number, because 70667370006689 - 2¹⁶ = 70667369941153 is a prime.

It is a super-4 number, since 4×70667370006689⁴ (a number of 56 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (70667370006679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35333685003344 + 35333685003345.

It is an arithmetic number, because the mean of its divisors is an integer number (35333685003345).

Almost surely, 2^{70667370006689} is an apocalyptic number.

It is an amenable number.

70667370006689 is a deficient number, since it is larger than the sum of its proper divisors (1).

70667370006689 is an equidigital number, since it uses as much as digits as its factorization.

70667370006689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96018048, while the sum is 65.

The spelling of 70667370006689 in words is "seventy trillion, six hundred sixty-seven billion, three hundred seventy million, six thousand, six hundred eighty-nine".