490751263 has 4 divisors (see below), whose sum is σ = 502720848. Its totient is φ = 478781680.

The previous prime is 490751243. The next prime is 490751269. The reversal of 490751263 is 362157094.

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 490751263 - 2¹⁷ = 490620191 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 (490751269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5984731 + ... + 5984812.

It is an arithmetic number, because the mean of its divisors is an integer number (125680212).

Almost surely, 2^490751263 is an apocalyptic number.

490751263 is a deficient number, since it is larger than the sum of its proper divisors (11969585).

490751263 is a wasteful number, since it uses less digits than its factorization.

490751263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11969584.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 490751263 is about 22152.9064233116. The cubic root of 490751263 is about 788.7762193174.

The spelling of 490751263 in words is "four hundred ninety million, seven hundred fifty-one thousand, two hundred sixty-three".