490819201 has 4 divisors (see below), whose sum is σ = 490974804. Its totient is φ = 490663600.

The previous prime is 490819183. The next prime is 490819213. The reversal of 490819201 is 102918094.

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

It can be written as a sum of positive squares in 2 ways, for example, as 259049025 + 231770176 = 16095^2 + 15224^2 .

It is a cyclic number.

It is not a de Polignac number, because 490819201 - 2¹⁹ = 490294913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490813201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72970 + ... + 79411.

It is an arithmetic number, because the mean of its divisors is an integer number (122743701).

Almost surely, 2^490819201 is an apocalyptic number.

It is an amenable number.

490819201 is a deficient number, since it is larger than the sum of its proper divisors (155603).

490819201 is a wasteful number, since it uses less digits than its factorization.

490819201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155602.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 490819201 is about 22154.4397582065. The cubic root of 490819201 is about 788.8126161714.

The spelling of 490819201 in words is "four hundred ninety million, eight hundred nineteen thousand, two hundred one".