842713563 has 16 divisors (see below), whose sum is σ = 1136782080. Its totient is φ = 555266016.

The previous prime is 842713559. The next prime is 842713577. The reversal of 842713563 is 365317248.

It is not a de Polignac number, because 842713563 - 2² = 842713559 is a prime.

It is a super-2 number, since 2×842713563² = 1420332298528309938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (842713513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84981 + ... + 94377.

It is an arithmetic number, because the mean of its divisors is an integer number (71048880).

Almost surely, 2^842713563 is an apocalyptic number.

842713563 is a deficient number, since it is larger than the sum of its proper divisors (294068517).

842713563 is a wasteful number, since it uses less digits than its factorization.

842713563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9746.

The product of its digits is 120960, while the sum is 39.

The square root of 842713563 is about 29029.5291556718. The cubic root of 842713563 is about 944.5537166542.

The spelling of 842713563 in words is "eight hundred forty-two million, seven hundred thirteen thousand, five hundred sixty-three".