542317327363657 has 2 divisors, whose sum is σ = 542317327363658. Its totient is φ = 542317327363656.

The previous prime is 542317327363589. The next prime is 542317327363687. The reversal of 542317327363657 is 756363723713245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362745963983881 + 179571363379776 = 19045891^2 + 13400424^2 .

It is a cyclic number.

It is not a de Polignac number, because 542317327363657 - 2⁷ = 542317327363529 is a prime.

It is not a weakly prime, because it can be changed into another prime (542317327363687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271158663681828 + 271158663681829.

It is an arithmetic number, because the mean of its divisors is an integer number (271158663681829).

Almost surely, 2^{542317327363657} is an apocalyptic number.

It is an amenable number.

542317327363657 is a deficient number, since it is larger than the sum of its proper divisors (1).

542317327363657 is an equidigital number, since it uses as much as digits as its factorization.

542317327363657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 400075200, while the sum is 64.

The spelling of 542317327363657 in words is "five hundred forty-two trillion, three hundred seventeen billion, three hundred twenty-seven million, three hundred sixty-three thousand, six hundred fifty-seven".