494961773 has 2 divisors, whose sum is σ = 494961774. Its totient is φ = 494961772.

The previous prime is 494961769. The next prime is 494961791. The reversal of 494961773 is 377169494.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 384669769 + 110292004 = 19613^2 + 10502^2 .

It is a cyclic number.

It is not a de Polignac number, because 494961773 - 2² = 494961769 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494961743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247480886 + 247480887.

It is an arithmetic number, because the mean of its divisors is an integer number (247480887).

Almost surely, 2^494961773 is an apocalyptic number.

It is an amenable number.

494961773 is a deficient number, since it is larger than the sum of its proper divisors (1).

494961773 is an equidigital number, since it uses as much as digits as its factorization.

494961773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 50.

The square root of 494961773 is about 22247.7363567622. The cubic root of 494961773 is about 791.0256256472.

The spelling of 494961773 in words is "four hundred ninety-four million, nine hundred sixty-one thousand, seven hundred seventy-three".