501989485 has 8 divisors (see below), whose sum is σ = 602780256. Its totient is φ = 401329680.

The previous prime is 501989483. The next prime is 501989491. The reversal of 501989485 is 584989105.

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

It is not a de Polignac number, because 501989485 - 2¹ = 501989483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501989483) 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 7 ways as a sum of consecutive naturals, for example, 24099 + ... + 39808.

It is an arithmetic number, because the mean of its divisors is an integer number (75347532).

Almost surely, 2^501989485 is an apocalyptic number.

It is an amenable number.

501989485 is a deficient number, since it is larger than the sum of its proper divisors (100790771).

501989485 is a wasteful number, since it uses less digits than its factorization.

501989485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65483.

The product of its (nonzero) digits is 518400, while the sum is 49.

The square root of 501989485 is about 22405.1218474705. The cubic root of 501989485 is about 794.7518363644.

The spelling of 501989485 in words is "five hundred one million, nine hundred eighty-nine thousand, four hundred eighty-five".