494929949 has 2 divisors, whose sum is σ = 494929950. Its totient is φ = 494929948.

The previous prime is 494929907. The next prime is 494930003. The reversal of 494929949 is 949929494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298425625 + 196504324 = 17275^2 + 14018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494929949 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494929349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247464974 + 247464975.

It is an arithmetic number, because the mean of its divisors is an integer number (247464975).

Almost surely, 2^494929949 is an apocalyptic number.

It is an amenable number.

494929949 is a deficient number, since it is larger than the sum of its proper divisors (1).

494929949 is an equidigital number, since it uses as much as digits as its factorization.

494929949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7558272, while the sum is 59.

The square root of 494929949 is about 22247.0211264340. The cubic root of 494929949 is about 791.0086720557.

The spelling of 494929949 in words is "four hundred ninety-four million, nine hundred twenty-nine thousand, nine hundred forty-nine".