66307142437 has 2 divisors, whose sum is σ = 66307142438. Its totient is φ = 66307142436.

The previous prime is 66307142413. The next prime is 66307142453. The reversal of 66307142437 is 73424170366.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52275792321 + 14031350116 = 228639^2 + 118454^2 .

It is a cyclic number.

It is not a de Polignac number, because 66307142437 - 2¹⁵ = 66307109669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66307142393 and 66307142402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66307142477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33153571218 + 33153571219.

It is an arithmetic number, because the mean of its divisors is an integer number (33153571219).

Almost surely, 2^66307142437 is an apocalyptic number.

It is an amenable number.

66307142437 is a deficient number, since it is larger than the sum of its proper divisors (1).

66307142437 is an equidigital number, since it uses as much as digits as its factorization.

66307142437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 43.

The spelling of 66307142437 in words is "sixty-six billion, three hundred seven million, one hundred forty-two thousand, four hundred thirty-seven".