494735837 has 2 divisors, whose sum is σ = 494735838. Its totient is φ = 494735836.

The previous prime is 494735821. The next prime is 494735863. The reversal of 494735837 is 738537494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 487040761 + 7695076 = 22069^2 + 2774^2 .

It is a cyclic number.

It is not a de Polignac number, because 494735837 - 2⁴ = 494735821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494731837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247367918 + 247367919.

It is an arithmetic number, because the mean of its divisors is an integer number (247367919).

Almost surely, 2^494735837 is an apocalyptic number.

It is an amenable number.

494735837 is a deficient number, since it is larger than the sum of its proper divisors (1).

494735837 is an equidigital number, since it uses as much as digits as its factorization.

494735837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 50.

The square root of 494735837 is about 22242.6580470950. The cubic root of 494735837 is about 790.9052470805.

The spelling of 494735837 in words is "four hundred ninety-four million, seven hundred thirty-five thousand, eight hundred thirty-seven".