662806748135659 has 2 divisors, whose sum is σ = 662806748135660. Its totient is φ = 662806748135658.

The previous prime is 662806748135611. The next prime is 662806748135677. The reversal of 662806748135659 is 956531847608266.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-662806748135659 is a prime.

It is not a weakly prime, because it can be changed into another prime (662806748138659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331403374067829 + 331403374067830.

It is an arithmetic number, because the mean of its divisors is an integer number (331403374067830).

It is a 1-persistent number, because it is pandigital, but 2⋅662806748135659 = 1325613496271318 is not.

Almost surely, 2^{662806748135659} is an apocalyptic number.

662806748135659 is a deficient number, since it is larger than the sum of its proper divisors (1).

662806748135659 is an equidigital number, since it uses as much as digits as its factorization.

662806748135659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3135283200, while the sum is 76.

The spelling of 662806748135659 in words is "six hundred sixty-two trillion, eight hundred six billion, seven hundred forty-eight million, one hundred thirty-five thousand, six hundred fifty-nine".