494395758287 has 2 divisors, whose sum is σ = 494395758288. Its totient is φ = 494395758286.

The previous prime is 494395758251. The next prime is 494395758347. The reversal of 494395758287 is 782857593494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 494395758287 - 2¹⁰ = 494395757263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 494395758287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494395758217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247197879143 + 247197879144.

It is an arithmetic number, because the mean of its divisors is an integer number (247197879144).

Almost surely, 2^494395758287 is an apocalyptic number.

494395758287 is a deficient number, since it is larger than the sum of its proper divisors (1).

494395758287 is an equidigital number, since it uses as much as digits as its factorization.

494395758287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 609638400, while the sum is 71.

The spelling of 494395758287 in words is "four hundred ninety-four billion, three hundred ninety-five million, seven hundred fifty-eight thousand, two hundred eighty-seven".