66703700301269 has 2 divisors, whose sum is σ = 66703700301270. Its totient is φ = 66703700301268.

The previous prime is 66703700301257. The next prime is 66703700301311. The reversal of 66703700301269 is 96210300730766.

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., 62181315273169 + 4522385028100 = 7885513^2 + 2126590^2 .

It is a cyclic number.

It is not a de Polignac number, because 66703700301269 - 2³² = 66699405333973 is a prime.

It is a super-2 number, since 2×66703700301269² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66703700301209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33351850150634 + 33351850150635.

It is an arithmetic number, because the mean of its divisors is an integer number (33351850150635).

Almost surely, 2^{66703700301269} is an apocalyptic number.

It is an amenable number.

66703700301269 is a deficient number, since it is larger than the sum of its proper divisors (1).

66703700301269 is an equidigital number, since it uses as much as digits as its factorization.

66703700301269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1714608, while the sum is 50.

The spelling of 66703700301269 in words is "sixty-six trillion, seven hundred three billion, seven hundred million, three hundred one thousand, two hundred sixty-nine".