504244221161331 has 16 divisors (see below), whose sum is σ = 777629642275584. Its totient is φ = 284667994045344.

The previous prime is 504244221161321. The next prime is 504244221161339. The reversal of 504244221161331 is 133161122442405.

It is not a de Polignac number, because 504244221161331 - 2³⁹ = 503694465347443 is a prime.

It is a super-2 number, since 2×504244221161331² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 504244221161331.

It is not an unprimeable number, because it can be changed into a prime (504244221161339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144648369216 + ... + 144648372701.

It is an arithmetic number, because the mean of its divisors is an integer number (48601852642224).

Almost surely, 2^{504244221161331} is an apocalyptic number.

504244221161331 is a deficient number, since it is larger than the sum of its proper divisors (273385421114253).

504244221161331 is a wasteful number, since it uses less digits than its factorization.

504244221161331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289296742010.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 504244221161331 in words is "five hundred four trillion, two hundred forty-four billion, two hundred twenty-one million, one hundred sixty-one thousand, three hundred thirty-one".