489139015 has 16 divisors (see below), whose sum is σ = 591624000. Its totient is φ = 388219392.

The previous prime is 489139009. The next prime is 489139031. The reversal of 489139015 is 510931984.

It is a cyclic number.

It is not a de Polignac number, because 489139015 - 2¹³ = 489130823 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 589621 + ... + 590449.

It is an arithmetic number, because the mean of its divisors is an integer number (36976500).

Almost surely, 2^489139015 is an apocalyptic number.

489139015 is a deficient number, since it is larger than the sum of its proper divisors (102484985).

489139015 is a wasteful number, since it uses less digits than its factorization.

489139015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 489139015 is about 22116.4874019361. The cubic root of 489139015 is about 787.9114920089.

The spelling of 489139015 in words is "four hundred eighty-nine million, one hundred thirty-nine thousand, fifteen".