493455688871 has 2 divisors, whose sum is σ = 493455688872. Its totient is φ = 493455688870.

The previous prime is 493455688867. The next prime is 493455688889. The reversal of 493455688871 is 178886554394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 493455688871 - 2² = 493455688867 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493455688471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246727844435 + 246727844436.

It is an arithmetic number, because the mean of its divisors is an integer number (246727844436).

Almost surely, 2^493455688871 is an apocalyptic number.

493455688871 is a deficient number, since it is larger than the sum of its proper divisors (1).

493455688871 is an equidigital number, since it uses as much as digits as its factorization.

493455688871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 232243200, while the sum is 68.

The spelling of 493455688871 in words is "four hundred ninety-three billion, four hundred fifty-five million, six hundred eighty-eight thousand, eight hundred seventy-one".