21602426300543 has 8 divisors (see below), whose sum is σ = 23688388333776. Its totient is φ = 19536815116800.

The previous prime is 21602426300503. The next prime is 21602426300561. The reversal of 21602426300543 is 34500362420612.

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

It is a cyclic number.

It is not a de Polignac number, because 21602426300543 - 2²⁴ = 21602409523327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21602426300497 and 21602426300506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21602426300503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5087710148 + ... + 5087714393.

It is an arithmetic number, because the mean of its divisors is an integer number (2961048541722).

Almost surely, 2^{21602426300543} is an apocalyptic number.

21602426300543 is a deficient number, since it is larger than the sum of its proper divisors (2085962033233).

21602426300543 is a wasteful number, since it uses less digits than its factorization.

21602426300543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10175424745.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 21602426300543 in words is "twenty-one trillion, six hundred two billion, four hundred twenty-six million, three hundred thousand, five hundred forty-three".