556742733317 has 2 divisors, whose sum is σ = 556742733318. Its totient is φ = 556742733316.

The previous prime is 556742733301. The next prime is 556742733329. The reversal of 556742733317 is 713337247655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 556323548641 + 419184676 = 745871^2 + 20474^2 .

It is a cyclic number.

It is not a de Polignac number, because 556742733317 - 2⁴ = 556742733301 is a prime.

It is a super-2 number, since 2×556742733317² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556742733817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278371366658 + 278371366659.

It is an arithmetic number, because the mean of its divisors is an integer number (278371366659).

Almost surely, 2^556742733317 is an apocalyptic number.

It is an amenable number.

556742733317 is a deficient number, since it is larger than the sum of its proper divisors (1).

556742733317 is an equidigital number, since it uses as much as digits as its factorization.

556742733317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11113200, while the sum is 53.

The spelling of 556742733317 in words is "five hundred fifty-six billion, seven hundred forty-two million, seven hundred thirty-three thousand, three hundred seventeen".