544550313213 has 16 divisors (see below), whose sum is σ = 816700976000. Its totient is φ = 363033540684.

The previous prime is 544550313211. The next prime is 544550313233. The reversal of 544550313213 is 312313055445.

544550313213 is a `hidden beast` number, since 5 + 4 + 4 + 5 + 503 + 132 + 13 = 666.

It is not a de Polignac number, because 544550313213 - 2¹ = 544550313211 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 (544550313211) 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, 124494913 + ... + 124499286.

It is an arithmetic number, because the mean of its divisors is an integer number (51043811000).

Almost surely, 2^544550313213 is an apocalyptic number.

It is an amenable number.

544550313213 is a deficient number, since it is larger than the sum of its proper divisors (272150662787).

544550313213 is an frugal number, since it uses more digits than its factorization.

544550313213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248994220 (or 248994202 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 544550313213 its reverse (312313055445), we get a palindrome (856863368658).

The spelling of 544550313213 in words is "five hundred forty-four billion, five hundred fifty million, three hundred thirteen thousand, two hundred thirteen".