494856769 has 4 divisors (see below), whose sum is σ = 539843760. Its totient is φ = 449869780.

The previous prime is 494856737. The next prime is 494856773. The reversal of 494856769 is 967658494.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 494856769 - 2⁵ = 494856737 is a prime.

It is a super-2 number, since 2×494856769² = 489766443650238722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494856709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22493479 + ... + 22493500.

It is an arithmetic number, because the mean of its divisors is an integer number (134960940).

Almost surely, 2^494856769 is an apocalyptic number.

It is an amenable number.

494856769 is a deficient number, since it is larger than the sum of its proper divisors (44986991).

494856769 is a wasteful number, since it uses less digits than its factorization.

494856769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44986990.

The product of its digits is 13063680, while the sum is 58.

The square root of 494856769 is about 22245.3763510533. The cubic root of 494856769 is about 790.9696841357.

The spelling of 494856769 in words is "four hundred ninety-four million, eight hundred fifty-six thousand, seven hundred sixty-nine".