495789563 has 2 divisors, whose sum is σ = 495789564. Its totient is φ = 495789562.

The previous prime is 495789557. The next prime is 495789571. The reversal of 495789563 is 365987594.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 495789563 - 2⁶ = 495789499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 495789499 and 495789508.

It is not a weakly prime, because it can be changed into another prime (495789523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247894781 + 247894782.

It is an arithmetic number, because the mean of its divisors is an integer number (247894782).

Almost surely, 2^495789563 is an apocalyptic number.

495789563 is a deficient number, since it is larger than the sum of its proper divisors (1).

495789563 is an equidigital number, since it uses as much as digits as its factorization.

495789563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 56.

The square root of 495789563 is about 22266.3324999875. The cubic root of 495789563 is about 791.4663589450.

The spelling of 495789563 in words is "four hundred ninety-five million, seven hundred eighty-nine thousand, five hundred sixty-three".