21652420316043 has 8 divisors (see below), whose sum is σ = 31494429550656. Its totient is φ = 13122678979400.

The previous prime is 21652420316041. The next prime is 21652420316089. The reversal of 21652420316043 is 34061302425612.

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 21652420316043 - 2¹ = 21652420316041 is a prime.

It is a super-3 number, since 3×21652420316043³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21652420315992 and 21652420316010.

It is not an unprimeable number, because it can be changed into a prime (21652420316041) 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, 328066974453 + ... + 328066974518.

It is an arithmetic number, because the mean of its divisors is an integer number (3936803693832).

Almost surely, 2^{21652420316043} is an apocalyptic number.

21652420316043 is a deficient number, since it is larger than the sum of its proper divisors (9842009234613).

21652420316043 is a wasteful number, since it uses less digits than its factorization.

21652420316043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656133948985.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 21652420316043 in words is "twenty-one trillion, six hundred fifty-two billion, four hundred twenty million, three hundred sixteen thousand, forty-three".