557050437989 has 2 divisors, whose sum is σ = 557050437990. Its totient is φ = 557050437988.

The previous prime is 557050437953. The next prime is 557050438031. The reversal of 557050437989 is 989734050755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297799404100 + 259251033889 = 545710^2 + 509167^2 .

It is a cyclic number.

It is not a de Polignac number, because 557050437989 - 2³² = 552755470693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557050437389) 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, 278525218994 + 278525218995.

It is an arithmetic number, because the mean of its divisors is an integer number (278525218995).

Almost surely, 2^557050437989 is an apocalyptic number.

It is an amenable number.

557050437989 is a deficient number, since it is larger than the sum of its proper divisors (1).

557050437989 is an equidigital number, since it uses as much as digits as its factorization.

557050437989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628000, while the sum is 62.

The spelling of 557050437989 in words is "five hundred fifty-seven billion, fifty million, four hundred thirty-seven thousand, nine hundred eighty-nine".