490739543 has 8 divisors (see below), whose sum is σ = 590363520. Its totient is φ = 398495160.

The previous prime is 490739519. The next prime is 490739563. The reversal of 490739543 is 345937094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 490739543 - 2²² = 486545239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 490739494 and 490739503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490739563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1844753 + ... + 1845018.

It is an arithmetic number, because the mean of its divisors is an integer number (73795440).

Almost surely, 2^490739543 is an apocalyptic number.

490739543 is a deficient number, since it is larger than the sum of its proper divisors (99623977).

490739543 is a wasteful number, since it uses less digits than its factorization.

490739543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3689797.

The product of its (nonzero) digits is 408240, while the sum is 44.

The square root of 490739543 is about 22152.6418966226. The cubic root of 490739543 is about 788.7699401480.

The spelling of 490739543 in words is "four hundred ninety million, seven hundred thirty-nine thousand, five hundred forty-three".