557663629409 has 2 divisors, whose sum is σ = 557663629410. Its totient is φ = 557663629408.

The previous prime is 557663629399. The next prime is 557663629427. The reversal of 557663629409 is 904926366755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 432375947809 + 125287681600 = 657553^2 + 353960^2 .

It is a cyclic number.

It is not a de Polignac number, because 557663629409 - 2¹² = 557663625313 is a prime.

It is not a weakly prime, because it can be changed into another prime (557663629459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278831814704 + 278831814705.

It is an arithmetic number, because the mean of its divisors is an integer number (278831814705).

Almost surely, 2^557663629409 is an apocalyptic number.

It is an amenable number.

557663629409 is a deficient number, since it is larger than the sum of its proper divisors (1).

557663629409 is an equidigital number, since it uses as much as digits as its factorization.

557663629409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73483200, while the sum is 62.

The spelling of 557663629409 in words is "five hundred fifty-seven billion, six hundred sixty-three million, six hundred twenty-nine thousand, four hundred nine".