493261969758559 has 2 divisors, whose sum is σ = 493261969758560. Its totient is φ = 493261969758558.

The previous prime is 493261969758541. The next prime is 493261969758563. The reversal of 493261969758559 is 955857969162394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 493261969758559 - 2⁵ = 493261969758527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 493261969758559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493261969758589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246630984879279 + 246630984879280.

It is an arithmetic number, because the mean of its divisors is an integer number (246630984879280).

Almost surely, 2^{493261969758559} is an apocalyptic number.

493261969758559 is a deficient number, since it is larger than the sum of its proper divisors (1).

493261969758559 is an equidigital number, since it uses as much as digits as its factorization.

493261969758559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39680928000, while the sum is 88.

The spelling of 493261969758559 in words is "four hundred ninety-three trillion, two hundred sixty-one billion, nine hundred sixty-nine million, seven hundred fifty-eight thousand, five hundred fifty-nine".