494943204461 has 2 divisors, whose sum is σ = 494943204462. Its totient is φ = 494943204460.

The previous prime is 494943204401. The next prime is 494943204463. The reversal of 494943204461 is 164402349494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 382059972100 + 112883232361 = 618110^2 + 335981^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494943204461 is a prime.

It is a super-3 number, since 3×494943204461³ (a number of 36 digits) contains 333 as substring.

Together with 494943204463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494943204463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247471602230 + 247471602231.

It is an arithmetic number, because the mean of its divisors is an integer number (247471602231).

Almost surely, 2^494943204461 is an apocalyptic number.

It is an amenable number.

494943204461 is a deficient number, since it is larger than the sum of its proper divisors (1).

494943204461 is an equidigital number, since it uses as much as digits as its factorization.

494943204461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2985984, while the sum is 50.

The spelling of 494943204461 in words is "four hundred ninety-four billion, nine hundred forty-three million, two hundred four thousand, four hundred sixty-one".