283955865563 has 2 divisors, whose sum is σ = 283955865564. Its totient is φ = 283955865562.

The previous prime is 283955865517. The next prime is 283955865593. The reversal of 283955865563 is 365568559382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 283955865563 - 2¹² = 283955861467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 283955865563.

It is not a weakly prime, because it can be changed into another prime (283955865593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141977932781 + 141977932782.

It is an arithmetic number, because the mean of its divisors is an integer number (141977932782).

Almost surely, 2^283955865563 is an apocalyptic number.

283955865563 is a deficient number, since it is larger than the sum of its proper divisors (1).

283955865563 is an equidigital number, since it uses as much as digits as its factorization.

283955865563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280000, while the sum is 65.

The spelling of 283955865563 in words is "two hundred eighty-three billion, nine hundred fifty-five million, eight hundred sixty-five thousand, five hundred sixty-three".