494683690133 has 2 divisors, whose sum is σ = 494683690134. Its totient is φ = 494683690132.

The previous prime is 494683690117. The next prime is 494683690157. The reversal of 494683690133 is 331096386494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 406684247524 + 87999442609 = 637718^2 + 296647^2 .

It is a cyclic number.

It is not a de Polignac number, because 494683690133 - 2⁴ = 494683690117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494683690103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247341845066 + 247341845067.

It is an arithmetic number, because the mean of its divisors is an integer number (247341845067).

Almost surely, 2^494683690133 is an apocalyptic number.

It is an amenable number.

494683690133 is a deficient number, since it is larger than the sum of its proper divisors (1).

494683690133 is an equidigital number, since it uses as much as digits as its factorization.

494683690133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10077696, while the sum is 56.

The spelling of 494683690133 in words is "four hundred ninety-four billion, six hundred eighty-three million, six hundred ninety thousand, one hundred thirty-three".