494099069 has 2 divisors, whose sum is σ = 494099070. Its totient is φ = 494099068.

The previous prime is 494099057. The next prime is 494099117. The reversal of 494099069 is 960990494.

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., 433056100 + 61042969 = 20810^2 + 7813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494099069 is a prime.

It is a super-2 number, since 2×494099069² = 488267779973333522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494039069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247049534 + 247049535.

It is an arithmetic number, because the mean of its divisors is an integer number (247049535).

Almost surely, 2^494099069 is an apocalyptic number.

It is an amenable number.

494099069 is a deficient number, since it is larger than the sum of its proper divisors (1).

494099069 is an equidigital number, since it uses as much as digits as its factorization.

494099069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 629856, while the sum is 50.

The square root of 494099069 is about 22228.3393216857. The cubic root of 494099069 is about 790.5657801447.

The spelling of 494099069 in words is "four hundred ninety-four million, ninety-nine thousand, sixty-nine".