66314243231429 has 2 divisors, whose sum is σ = 66314243231430. Its totient is φ = 66314243231428.

The previous prime is 66314243231387. The next prime is 66314243231471. The reversal of 66314243231429 is 92413234241366.

It is a balanced prime because it is at equal distance from previous prime (66314243231387) and next prime (66314243231471).

It can be written as a sum of positive squares in only one way, i.e., 50633158027204 + 15681085204225 = 7115698^2 + 3959935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66314243231429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66314243231129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33157121615714 + 33157121615715.

It is an arithmetic number, because the mean of its divisors is an integer number (33157121615715).

Almost surely, 2^{66314243231429} is an apocalyptic number.

It is an amenable number.

66314243231429 is a deficient number, since it is larger than the sum of its proper divisors (1).

66314243231429 is an equidigital number, since it uses as much as digits as its factorization.

66314243231429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 50.

The spelling of 66314243231429 in words is "sixty-six trillion, three hundred fourteen billion, two hundred forty-three million, two hundred thirty-one thousand, four hundred twenty-nine".