494774911 has 4 divisors (see below), whose sum is σ = 510735424. Its totient is φ = 478814400.

The previous prime is 494774909. The next prime is 494774933. The reversal of 494774911 is 119477494.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 494774911 - 2¹ = 494774909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494774971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7980210 + ... + 7980271.

It is an arithmetic number, because the mean of its divisors is an integer number (127683856).

Almost surely, 2^494774911 is an apocalyptic number.

494774911 is a deficient number, since it is larger than the sum of its proper divisors (15960513).

494774911 is a wasteful number, since it uses less digits than its factorization.

494774911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15960512.

The product of its digits is 254016, while the sum is 46.

The square root of 494774911 is about 22243.5363870047. The cubic root of 494774911 is about 790.9260683052.

The spelling of 494774911 in words is "four hundred ninety-four million, seven hundred seventy-four thousand, nine hundred eleven".