19825874421063 has 8 divisors (see below), whose sum is σ = 26434847505408. Its totient is φ = 13217075475384.

The previous prime is 19825874420969. The next prime is 19825874421097. The reversal of 19825874421063 is 36012447852891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19825874421063 - 2¹⁰ = 19825874420039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19825874420988 and 19825874421006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19825874441063) 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 7 ways as a sum of consecutive naturals, for example, 43268781 + ... + 43724582.

It is an arithmetic number, because the mean of its divisors is an integer number (3304355938176).

It is a 1-persistent number, because it is pandigital, but 2⋅19825874421063 = 39651748842126 is not.

Almost surely, 2^{19825874421063} is an apocalyptic number.

19825874421063 is a deficient number, since it is larger than the sum of its proper divisors (6608973084345).

19825874421063 is an equidigital number, since it uses as much as digits as its factorization.

19825874421063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87069333.

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 19825874421063 in words is "nineteen trillion, eight hundred twenty-five billion, eight hundred seventy-four million, four hundred twenty-one thousand, sixty-three".