563821674937 has 2 divisors, whose sum is σ = 563821674938. Its totient is φ = 563821674936.

The previous prime is 563821674859. The next prime is 563821674947. The reversal of 563821674937 is 739476128365.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 561366571536 + 2455103401 = 749244^2 + 49549^2 .

It is a cyclic number.

It is not a de Polignac number, because 563821674937 - 2¹⁵ = 563821642169 is a prime.

It is a super-2 number, since 2×563821674937² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (563821674947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281910837468 + 281910837469.

It is an arithmetic number, because the mean of its divisors is an integer number (281910837469).

Almost surely, 2^563821674937 is an apocalyptic number.

It is an amenable number.

563821674937 is a deficient number, since it is larger than the sum of its proper divisors (1).

563821674937 is an equidigital number, since it uses as much as digits as its factorization.

563821674937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45722880, while the sum is 61.

The spelling of 563821674937 in words is "five hundred sixty-three billion, eight hundred twenty-one million, six hundred seventy-four thousand, nine hundred thirty-seven".