682911491 has 2 divisors, whose sum is σ = 682911492. Its totient is φ = 682911490.

The previous prime is 682911461. The next prime is 682911497. The reversal of 682911491 is 194119286.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 682911491 - 2¹⁴ = 682895107 is a prime.

It is not a weakly prime, because it can be changed into another prime (682911497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341455745 + 341455746.

It is an arithmetic number, because the mean of its divisors is an integer number (341455746).

Almost surely, 2^682911491 is an apocalyptic number.

682911491 is a deficient number, since it is larger than the sum of its proper divisors (1).

682911491 is an equidigital number, since it uses as much as digits as its factorization.

682911491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 41.

The square root of 682911491 is about 26132.5752844988. The cubic root of 682911491 is about 880.6191798509.

The spelling of 682911491 in words is "six hundred eighty-two million, nine hundred eleven thousand, four hundred ninety-one".