283642521563 has 2 divisors, whose sum is σ = 283642521564. Its totient is φ = 283642521562.

The previous prime is 283642521493. The next prime is 283642521671. The reversal of 283642521563 is 365125246382.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-283642521563 is a prime.

It is not a weakly prime, because it can be changed into another prime (283642521863) 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, 141821260781 + 141821260782.

It is an arithmetic number, because the mean of its divisors is an integer number (141821260782).

Almost surely, 2^283642521563 is an apocalyptic number.

283642521563 is a deficient number, since it is larger than the sum of its proper divisors (1).

283642521563 is an equidigital number, since it uses as much as digits as its factorization.

283642521563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 47.

The spelling of 283642521563 in words is "two hundred eighty-three billion, six hundred forty-two million, five hundred twenty-one thousand, five hundred sixty-three".