553786686582491 has 2 divisors, whose sum is σ = 553786686582492. Its totient is φ = 553786686582490.

The previous prime is 553786686582469. The next prime is 553786686582499. The reversal of 553786686582491 is 194285686687355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 553786686582491 - 2¹⁴ = 553786686566107 is a prime.

It is not a weakly prime, because it can be changed into another prime (553786686582499) 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, 276893343291245 + 276893343291246.

It is an arithmetic number, because the mean of its divisors is an integer number (276893343291246).

Almost surely, 2^{553786686582491} is an apocalyptic number.

553786686582491 is a deficient number, since it is larger than the sum of its proper divisors (1).

553786686582491 is an equidigital number, since it uses as much as digits as its factorization.

553786686582491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20901888000, while the sum is 83.

The spelling of 553786686582491 in words is "five hundred fifty-three trillion, seven hundred eighty-six billion, six hundred eighty-six million, five hundred eighty-two thousand, four hundred ninety-one".