66029741447 has 2 divisors, whose sum is σ = 66029741448. Its totient is φ = 66029741446.

The previous prime is 66029741441. The next prime is 66029741471. The reversal of 66029741447 is 74414792066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66029741447 - 2¹² = 66029737351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66029741395 and 66029741404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66029741441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33014870723 + 33014870724.

It is an arithmetic number, because the mean of its divisors is an integer number (33014870724).

Almost surely, 2^66029741447 is an apocalyptic number.

66029741447 is a deficient number, since it is larger than the sum of its proper divisors (1).

66029741447 is an equidigital number, since it uses as much as digits as its factorization.

66029741447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 66029741447 in words is "sixty-six billion, twenty-nine million, seven hundred forty-one thousand, four hundred forty-seven".