501289673641 has 4 divisors (see below), whose sum is σ = 512947573072. Its totient is φ = 489631774212.

The previous prime is 501289673597. The next prime is 501289673657. The reversal of 501289673641 is 146376982105.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 146376982105 = 5 ⋅29275396421.

It is a cyclic number.

It is not a de Polignac number, because 501289673641 - 2¹³ = 501289665449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501289673041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5828949651 + ... + 5828949736.

It is an arithmetic number, because the mean of its divisors is an integer number (128236893268).

It is a 1-persistent number, because it is pandigital, but 2⋅501289673641 = 1002579347282 is not.

Almost surely, 2^501289673641 is an apocalyptic number.

It is an amenable number.

501289673641 is a deficient number, since it is larger than the sum of its proper divisors (11657899431).

501289673641 is a wasteful number, since it uses less digits than its factorization.

501289673641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11657899430.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 501289673641 in words is "five hundred one billion, two hundred eighty-nine million, six hundred seventy-three thousand, six hundred forty-one".