494555018597 has 2 divisors, whose sum is σ = 494555018598. Its totient is φ = 494555018596.

The previous prime is 494555018591. The next prime is 494555018623. The reversal of 494555018597 is 795810555494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 451625664961 + 42929353636 = 672031^2 + 207194^2 .

It is a cyclic number.

It is not a de Polignac number, because 494555018597 - 2¹⁰ = 494555017573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494555018591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247277509298 + 247277509299.

It is an arithmetic number, because the mean of its divisors is an integer number (247277509299).

Almost surely, 2^494555018597 is an apocalyptic number.

It is an amenable number.

494555018597 is a deficient number, since it is larger than the sum of its proper divisors (1).

494555018597 is an equidigital number, since it uses as much as digits as its factorization.

494555018597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360000, while the sum is 62.

The spelling of 494555018597 in words is "four hundred ninety-four billion, five hundred fifty-five million, eighteen thousand, five hundred ninety-seven".