490784858339 has 4 divisors (see below), whose sum is σ = 495371632824. Its totient is φ = 486198083856.

The previous prime is 490784858261. The next prime is 490784858353. The reversal of 490784858339 is 933858487094.

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 490784858339 - 2²⁴ = 490768081123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490784855339) 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, 2293387082 + ... + 2293387295.

It is an arithmetic number, because the mean of its divisors is an integer number (123842908206).

Almost surely, 2^490784858339 is an apocalyptic number.

490784858339 is a deficient number, since it is larger than the sum of its proper divisors (4586774485).

490784858339 is a wasteful number, since it uses less digits than its factorization.

490784858339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586774484.

The product of its (nonzero) digits is 209018880, while the sum is 68.

The spelling of 490784858339 in words is "four hundred ninety billion, seven hundred eighty-four million, eight hundred fifty-eight thousand, three hundred thirty-nine".