563907769 has 2 divisors, whose sum is σ = 563907770. Its totient is φ = 563907768.

The previous prime is 563907761. The next prime is 563907779. The reversal of 563907769 is 967709365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 324432144 + 239475625 = 18012^2 + 15475^2 .

It is a cyclic number.

It is not a de Polignac number, because 563907769 - 2³ = 563907761 is a prime.

It is a super-2 number, since 2×563907769² = 635983943877114722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (563907761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281953884 + 281953885.

It is an arithmetic number, because the mean of its divisors is an integer number (281953885).

Almost surely, 2^563907769 is an apocalyptic number.

It is an amenable number.

563907769 is a deficient number, since it is larger than the sum of its proper divisors (1).

563907769 is an equidigital number, since it uses as much as digits as its factorization.

563907769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2143260, while the sum is 52.

The square root of 563907769 is about 23746.7422818373. The cubic root of 563907769 is about 826.1698830968.

The spelling of 563907769 in words is "five hundred sixty-three million, nine hundred seven thousand, seven hundred sixty-nine".