490638059027 has 4 divisors (see below), whose sum is σ = 491276080680. Its totient is φ = 490000037376.

The previous prime is 490638058993. The next prime is 490638059039. The reversal of 490638059027 is 720950836094.

It is a happy number.

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 490638059027 - 2¹⁰ = 490638058003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 490638059027.

It is not an unprimeable number, because it can be changed into a prime (490638059077) 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, 319009673 + ... + 319011210.

It is an arithmetic number, because the mean of its divisors is an integer number (122819020170).

Almost surely, 2^490638059027 is an apocalyptic number.

490638059027 is a deficient number, since it is larger than the sum of its proper divisors (638021653).

490638059027 is an equidigital number, since it uses as much as digits as its factorization.

490638059027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638021652.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 490638059027 in words is "four hundred ninety billion, six hundred thirty-eight million, fifty-nine thousand, twenty-seven".