493550663 has 2 divisors, whose sum is σ = 493550664. Its totient is φ = 493550662.

The previous prime is 493550653. The next prime is 493550671. The reversal of 493550663 is 366055394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 493550663 - 2²⁴ = 476773447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 493550663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493550633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246775331 + 246775332.

It is an arithmetic number, because the mean of its divisors is an integer number (246775332).

Almost surely, 2^493550663 is an apocalyptic number.

493550663 is a deficient number, since it is larger than the sum of its proper divisors (1).

493550663 is an equidigital number, since it uses as much as digits as its factorization.

493550663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 41.

The square root of 493550663 is about 22216.0001575441. Note that the first 3 decimals coincide. The cubic root of 493550663 is about 790.2731859772.

The spelling of 493550663 in words is "four hundred ninety-three million, five hundred fifty thousand, six hundred sixty-three".