494869442 has 4 divisors (see below), whose sum is σ = 742304166. Its totient is φ = 247434720.

The previous prime is 494869423. The next prime is 494869447. The reversal of 494869442 is 244968494.

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

It can be written as a sum of positive squares in only one way, i.e., 319015321 + 175854121 = 17861^2 + 13261^2 .

It is not an unprimeable number, because it can be changed into a prime (494869447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123717359 + ... + 123717362.

Almost surely, 2^494869442 is an apocalyptic number.

494869442 is a deficient number, since it is larger than the sum of its proper divisors (247434724).

494869442 is a wasteful number, since it uses less digits than its factorization.

494869442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247434723.

The product of its digits is 1990656, while the sum is 50.

The square root of 494869442 is about 22245.6611949387. The cubic root of 494869442 is about 790.9764361724.

The spelling of 494869442 in words is "four hundred ninety-four million, eight hundred sixty-nine thousand, four hundred forty-two".