557700426437443 has 2 divisors, whose sum is σ = 557700426437444. Its totient is φ = 557700426437442.

The previous prime is 557700426437431. The next prime is 557700426437459. The reversal of 557700426437443 is 344734624007755.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 557700426437443 - 2¹⁷ = 557700426306371 is a prime.

It is a super-2 number, since 2×557700426437443² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (557700426447443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278850213218721 + 278850213218722.

It is an arithmetic number, because the mean of its divisors is an integer number (278850213218722).

Almost surely, 2^{557700426437443} is an apocalyptic number.

557700426437443 is a deficient number, since it is larger than the sum of its proper divisors (1).

557700426437443 is an equidigital number, since it uses as much as digits as its factorization.

557700426437443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 237081600, while the sum is 61.

The spelling of 557700426437443 in words is "five hundred fifty-seven trillion, seven hundred billion, four hundred twenty-six million, four hundred thirty-seven thousand, four hundred forty-three".