500444525763121 has 4 divisors (see below), whose sum is σ = 502251184701172. Its totient is φ = 498637866825072.

The previous prime is 500444525763113. The next prime is 500444525763151. The reversal of 500444525763121 is 121367525444005.

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

It can be written as a sum of positive squares in 2 ways, for example, as 205841114842896 + 294603410920225 = 14347164^2 + 17164015^2 .

It is a cyclic number.

It is not a de Polignac number, because 500444525763121 - 2³ = 500444525763113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500444525763151) 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, 903329468610 + ... + 903329469163.

It is an arithmetic number, because the mean of its divisors is an integer number (125562796175293).

Almost surely, 2^{500444525763121} is an apocalyptic number.

It is an amenable number.

500444525763121 is a deficient number, since it is larger than the sum of its proper divisors (1806658938051).

500444525763121 is a wasteful number, since it uses less digits than its factorization.

500444525763121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806658938050.

The product of its (nonzero) digits is 4032000, while the sum is 49.

The spelling of 500444525763121 in words is "five hundred trillion, four hundred forty-four billion, five hundred twenty-five million, seven hundred sixty-three thousand, one hundred twenty-one".