494065560493 has 4 divisors (see below), whose sum is σ = 523128240540. Its totient is φ = 465002880448.

The previous prime is 494065560479. The next prime is 494065560503. The reversal of 494065560493 is 394065560494.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 372859226884 + 121206333609 = 610622^2 + 348147^2 .

It is a cyclic number.

It is not a de Polignac number, because 494065560493 - 2²⁹ = 493528689581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494065560463) 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 in 3 ways as a sum of consecutive naturals, for example, 14531339998 + ... + 14531340031.

It is an arithmetic number, because the mean of its divisors is an integer number (130782060135).

Almost surely, 2^494065560493 is an apocalyptic number.

It is an amenable number.

494065560493 is a deficient number, since it is larger than the sum of its proper divisors (29062680047).

494065560493 is a wasteful number, since it uses less digits than its factorization.

494065560493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29062680046.

The product of its (nonzero) digits is 13996800, while the sum is 55.

Subtracting from 494065560493 its reverse (394065560494), we obtain a palindrome (99999999999).

The spelling of 494065560493 in words is "four hundred ninety-four billion, sixty-five million, five hundred sixty thousand, four hundred ninety-three".