501984141009 has 12 divisors (see below), whose sum is σ = 724758168816. Its totient is φ = 308913317232.

The previous prime is 501984140951. The next prime is 501984141049. The reversal of 501984141009 is 900141489105.

It is not a de Polignac number, because 501984141009 - 2¹¹ = 501984138961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (501984141049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 495052887 + ... + 495053900.

It is an arithmetic number, because the mean of its divisors is an integer number (60396514068).

Almost surely, 2^501984141009 is an apocalyptic number.

It is an amenable number.

501984141009 is a deficient number, since it is larger than the sum of its proper divisors (222774027807).

501984141009 is a wasteful number, since it uses less digits than its factorization.

501984141009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990106816 (or 990106803 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 501984141009 in words is "five hundred one billion, nine hundred eighty-four million, one hundred forty-one thousand, nine".