489949742 has 4 divisors (see below), whose sum is σ = 734924616. Its totient is φ = 244974870.

The previous prime is 489949739. The next prime is 489949829. The reversal of 489949742 is 247949984.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 122487434 + ... + 122487437.

It is an arithmetic number, because the mean of its divisors is an integer number (183731154).

Almost surely, 2^489949742 is an apocalyptic number.

489949742 is a deficient number, since it is larger than the sum of its proper divisors (244974874).

489949742 is a wasteful number, since it uses less digits than its factorization.

489949742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244974873.

The product of its digits is 5225472, while the sum is 56.

The square root of 489949742 is about 22134.8083795636. The cubic root of 489949742 is about 788.3465615956.

The spelling of 489949742 in words is "four hundred eighty-nine million, nine hundred forty-nine thousand, seven hundred forty-two".