654344642004659 has 2 divisors, whose sum is σ = 654344642004660. Its totient is φ = 654344642004658.

The previous prime is 654344642004649. The next prime is 654344642004671. The reversal of 654344642004659 is 956400246443456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 654344642004659 - 2⁴⁸ = 372869665294003 is a prime.

It is not a weakly prime, because it can be changed into another prime (654344642004649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327172321002329 + 327172321002330.

It is an arithmetic number, because the mean of its divisors is an integer number (327172321002330).

Almost surely, 2^{654344642004659} is an apocalyptic number.

654344642004659 is a deficient number, since it is larger than the sum of its proper divisors (1).

654344642004659 is an equidigital number, since it uses as much as digits as its factorization.

654344642004659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 298598400, while the sum is 62.

The spelling of 654344642004659 in words is "six hundred fifty-four trillion, three hundred forty-four billion, six hundred forty-two million, four thousand, six hundred fifty-nine".