21602350740471 has 8 divisors (see below), whose sum is σ = 28962267660144. Its totient is φ = 14322000490560.

The previous prime is 21602350740427. The next prime is 21602350740491. The reversal of 21602350740471 is 17404705320612.

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

It is not a de Polignac number, because 21602350740471 - 2¹⁰ = 21602350739447 is a prime.

It is a super-3 number, since 3×21602350740471³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21602350740491) 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, 19891666806 + ... + 19891667891.

It is an arithmetic number, because the mean of its divisors is an integer number (3620283457518).

Almost surely, 2^{21602350740471} is an apocalyptic number.

21602350740471 is a deficient number, since it is larger than the sum of its proper divisors (7359916919673).

21602350740471 is a wasteful number, since it uses less digits than its factorization.

21602350740471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39783334881.

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 21602350740471 in words is "twenty-one trillion, six hundred two billion, three hundred fifty million, seven hundred forty thousand, four hundred seventy-one".