66323714481293 has 2 divisors, whose sum is σ = 66323714481294. Its totient is φ = 66323714481292.

The previous prime is 66323714481289. The next prime is 66323714481361. The reversal of 66323714481293 is 39218441732366.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60377593171204 + 5946121310089 = 7770302^2 + 2438467^2 .

It is a cyclic number.

It is not a de Polignac number, because 66323714481293 - 2² = 66323714481289 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66323714481263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33161857240646 + 33161857240647.

It is an arithmetic number, because the mean of its divisors is an integer number (33161857240647).

Almost surely, 2^{66323714481293} is an apocalyptic number.

It is an amenable number.

66323714481293 is a deficient number, since it is larger than the sum of its proper divisors (1).

66323714481293 is an equidigital number, since it uses as much as digits as its factorization.

66323714481293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31352832, while the sum is 59.

The spelling of 66323714481293 in words is "sixty-six trillion, three hundred twenty-three billion, seven hundred fourteen million, four hundred eighty-one thousand, two hundred ninety-three".