557655641361697 has 2 divisors, whose sum is σ = 557655641361698. Its totient is φ = 557655641361696.

The previous prime is 557655641361691. The next prime is 557655641361713. The reversal of 557655641361697 is 796163146556755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 537716549728656 + 19939091633041 = 23188716^2 + 4465321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557655641361697 is a prime.

It is not a weakly prime, because it can be changed into another prime (557655641361691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278827820680848 + 278827820680849.

It is an arithmetic number, because the mean of its divisors is an integer number (278827820680849).

Almost surely, 2^{557655641361697} is an apocalyptic number.

It is an amenable number.

557655641361697 is a deficient number, since it is larger than the sum of its proper divisors (1).

557655641361697 is an equidigital number, since it uses as much as digits as its factorization.

557655641361697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4286520000, while the sum is 76.

The spelling of 557655641361697 in words is "five hundred fifty-seven trillion, six hundred fifty-five billion, six hundred forty-one million, three hundred sixty-one thousand, six hundred ninety-seven".