66110485439 has 2 divisors, whose sum is σ = 66110485440. Its totient is φ = 66110485438.

The previous prime is 66110485433. The next prime is 66110485453. The reversal of 66110485439 is 93458401166.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66110485439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66110485393 and 66110485402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66110485433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33055242719 + 33055242720.

It is an arithmetic number, because the mean of its divisors is an integer number (33055242720).

Almost surely, 2^66110485439 is an apocalyptic number.

66110485439 is a deficient number, since it is larger than the sum of its proper divisors (1).

66110485439 is an equidigital number, since it uses as much as digits as its factorization.

66110485439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 66110485439 in words is "sixty-six billion, one hundred ten million, four hundred eighty-five thousand, four hundred thirty-nine".