544562312257 has 2 divisors, whose sum is σ = 544562312258. Its totient is φ = 544562312256.

The previous prime is 544562312219. The next prime is 544562312267. The reversal of 544562312257 is 752213265445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 357509522241 + 187052790016 = 597921^2 + 432496^2 .

It is a cyclic number.

It is not a de Polignac number, because 544562312257 - 2¹⁵ = 544562279489 is a prime.

It is a super-2 number, since 2×544562312257² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (544562312207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272281156128 + 272281156129.

It is an arithmetic number, because the mean of its divisors is an integer number (272281156129).

Almost surely, 2^544562312257 is an apocalyptic number.

It is an amenable number.

544562312257 is a deficient number, since it is larger than the sum of its proper divisors (1).

544562312257 is an equidigital number, since it uses as much as digits as its factorization.

544562312257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016000, while the sum is 46.

The spelling of 544562312257 in words is "five hundred forty-four billion, five hundred sixty-two million, three hundred twelve thousand, two hundred fifty-seven".