66097839029 has 2 divisors, whose sum is σ = 66097839030. Its totient is φ = 66097839028.

The previous prime is 66097839013. The next prime is 66097839083. The reversal of 66097839029 is 92093879066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66097839025 + 4 = 257095^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 66097839029 - 2⁴ = 66097839013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66097832029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33048919514 + 33048919515.

It is an arithmetic number, because the mean of its divisors is an integer number (33048919515).

Almost surely, 2^66097839029 is an apocalyptic number.

It is an amenable number.

66097839029 is a deficient number, since it is larger than the sum of its proper divisors (1).

66097839029 is an equidigital number, since it uses as much as digits as its factorization.

66097839029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8817984, while the sum is 59.

It can be divided in two parts, 660978 and 39029, that added together give a palindrome (700007).

The spelling of 66097839029 in words is "sixty-six billion, ninety-seven million, eight hundred thirty-nine thousand, twenty-nine".