66352345062019 has 2 divisors, whose sum is σ = 66352345062020. Its totient is φ = 66352345062018.

The previous prime is 66352345061993. The next prime is 66352345062089. The reversal of 66352345062019 is 91026054325366.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66352345062019 - 2¹⁵ = 66352345029251 is a prime.

It is a super-2 number, since 2×66352345062019² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (66352345062089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33176172531009 + 33176172531010.

It is an arithmetic number, because the mean of its divisors is an integer number (33176172531010).

Almost surely, 2^{66352345062019} is an apocalyptic number.

66352345062019 is a deficient number, since it is larger than the sum of its proper divisors (1).

66352345062019 is an equidigital number, since it uses as much as digits as its factorization.

66352345062019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6998400, while the sum is 52.

The spelling of 66352345062019 in words is "sixty-six trillion, three hundred fifty-two billion, three hundred forty-five million, sixty-two thousand, nineteen".