66962426963 has 2 divisors, whose sum is σ = 66962426964. Its totient is φ = 66962426962.

The previous prime is 66962426939. The next prime is 66962427001. The reversal of 66962426963 is 36962426966.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66962426963 - 2⁶ = 66962426899 is a prime.

It is not a weakly prime, because it can be changed into another prime (66962428963) 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, 33481213481 + 33481213482.

It is an arithmetic number, because the mean of its divisors is an integer number (33481213482).

Almost surely, 2^66962426963 is an apocalyptic number.

66962426963 is a deficient number, since it is larger than the sum of its proper divisors (1).

66962426963 is an equidigital number, since it uses as much as digits as its factorization.

66962426963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30233088, while the sum is 59.

The spelling of 66962426963 in words is "sixty-six billion, nine hundred sixty-two million, four hundred twenty-six thousand, nine hundred sixty-three".