544813640227 has 2 divisors, whose sum is σ = 544813640228. Its totient is φ = 544813640226.

The previous prime is 544813640207. The next prime is 544813640243. The reversal of 544813640227 is 722046318445.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544813640227 is a prime.

It is a super-2 number, since 2×544813640227² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (544813640207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272406820113 + 272406820114.

It is an arithmetic number, because the mean of its divisors is an integer number (272406820114).

Almost surely, 2^544813640227 is an apocalyptic number.

544813640227 is a deficient number, since it is larger than the sum of its proper divisors (1).

544813640227 is an equidigital number, since it uses as much as digits as its factorization.

544813640227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 544813640227 in words is "five hundred forty-four billion, eight hundred thirteen million, six hundred forty thousand, two hundred twenty-seven".