658308666049 has 2 divisors, whose sum is σ = 658308666050. Its totient is φ = 658308666048.

The previous prime is 658308666011. The next prime is 658308666133. The reversal of 658308666049 is 940666803856.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 657952966449 + 355699600 = 811143^2 + 18860^2 .

It is a cyclic number.

It is not a de Polignac number, because 658308666049 - 2¹⁷ = 658308534977 is a prime.

It is not a weakly prime, because it can be changed into another prime (658308666749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329154333024 + 329154333025.

It is an arithmetic number, because the mean of its divisors is an integer number (329154333025).

Almost surely, 2^658308666049 is an apocalyptic number.

It is an amenable number.

658308666049 is a deficient number, since it is larger than the sum of its proper divisors (1).

658308666049 is an equidigital number, since it uses as much as digits as its factorization.

658308666049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44789760, while the sum is 61.

The spelling of 658308666049 in words is "six hundred fifty-eight billion, three hundred eight million, six hundred sixty-six thousand, forty-nine".