21602350740441 has 8 divisors (see below), whose sum is σ = 28803764893024. Its totient is φ = 14401251874080.

The previous prime is 21602350740427. The next prime is 21602350740491. The reversal of 21602350740441 is 14404705320612.

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

It is not a de Polignac number, because 21602350740441 - 2⁹ = 21602350739929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21602350740441.

It is not an unprimeable number, because it can be changed into a prime (21602350740491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78661636 + ... + 78935781.

It is an arithmetic number, because the mean of its divisors is an integer number (3600470611628).

Almost surely, 2^{21602350740441} is an apocalyptic number.

It is an amenable number.

21602350740441 is a deficient number, since it is larger than the sum of its proper divisors (7201414152583).

21602350740441 is a wasteful number, since it uses less digits than its factorization.

21602350740441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157643111.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 21602350740441 in words is "twenty-one trillion, six hundred two billion, three hundred fifty million, seven hundred forty thousand, four hundred forty-one".