490248863 has 4 divisors (see below), whose sum is σ = 527960328. Its totient is φ = 452537400.

The previous prime is 490248859. The next prime is 490248901. The reversal of 490248863 is 368842094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368842094 = 2 ⋅184421047.

It is a cyclic number.

It is not a de Polignac number, because 490248863 - 2² = 490248859 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 (490248163) 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, 18855713 + ... + 18855738.

It is an arithmetic number, because the mean of its divisors is an integer number (131990082).

Almost surely, 2^490248863 is an apocalyptic number.

490248863 is a deficient number, since it is larger than the sum of its proper divisors (37711465).

490248863 is a wasteful number, since it uses less digits than its factorization.

490248863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37711464.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 490248863 is about 22141.5641498066. The cubic root of 490248863 is about 788.5069610674.

The spelling of 490248863 in words is "four hundred ninety million, two hundred forty-eight thousand, eight hundred sixty-three".