494079863 has 4 divisors (see below), whose sum is σ = 496809768. Its totient is φ = 491349960.

The previous prime is 494079821. The next prime is 494079871. The reversal of 494079863 is 368970494.

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 494079863 - 2¹² = 494075767 is a prime.

It is a super-2 number, since 2×494079863² = 488229822044197538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494079893) 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 in 3 ways as a sum of consecutive naturals, for example, 1364681 + ... + 1365042.

It is an arithmetic number, because the mean of its divisors is an integer number (124202442).

Almost surely, 2^494079863 is an apocalyptic number.

494079863 is a deficient number, since it is larger than the sum of its proper divisors (2729905).

494079863 is a wasteful number, since it uses less digits than its factorization.

494079863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729904.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 494079863 is about 22227.9073014083. The cubic root of 494079863 is about 790.5555367178. Note that the first 4 decimals are identical.

The spelling of 494079863 in words is "four hundred ninety-four million, seventy-nine thousand, eight hundred sixty-three".