494897933 has 2 divisors, whose sum is σ = 494897934. Its totient is φ = 494897932.

The previous prime is 494897929. The next prime is 494897951. The reversal of 494897933 is 339798494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 429401284 + 65496649 = 20722^2 + 8093^2 .

It is a cyclic number.

It is not a de Polignac number, because 494897933 - 2² = 494897929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494897033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247448966 + 247448967.

It is an arithmetic number, because the mean of its divisors is an integer number (247448967).

Almost surely, 2^494897933 is an apocalyptic number.

It is an amenable number.

494897933 is a deficient number, since it is larger than the sum of its proper divisors (1).

494897933 is an equidigital number, since it uses as much as digits as its factorization.

494897933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 56.

The square root of 494897933 is about 22246.3015577871. The cubic root of 494897933 is about 790.9916154468.

The spelling of 494897933 in words is "four hundred ninety-four million, eight hundred ninety-seven thousand, nine hundred thirty-three".