493370630657 has 2 divisors, whose sum is σ = 493370630658. Its totient is φ = 493370630656.

The previous prime is 493370630647. The next prime is 493370630663. The reversal of 493370630657 is 756036073394.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 469394895376 + 23975735281 = 685124^2 + 154841^2 .

It is a cyclic number.

It is not a de Polignac number, because 493370630657 - 2²⁶ = 493303521793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 493370630599 and 493370630608.

It is not a weakly prime, because it can be changed into another prime (493370630647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246685315328 + 246685315329.

It is an arithmetic number, because the mean of its divisors is an integer number (246685315329).

Almost surely, 2^493370630657 is an apocalyptic number.

It is an amenable number.

493370630657 is a deficient number, since it is larger than the sum of its proper divisors (1).

493370630657 is an equidigital number, since it uses as much as digits as its factorization.

493370630657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8573040, while the sum is 53.

The spelling of 493370630657 in words is "four hundred ninety-three billion, three hundred seventy million, six hundred thirty thousand, six hundred fifty-seven".