21216032365435 has 8 divisors (see below), whose sum is σ = 26080195883616. Its totient is φ = 16558854528960.

The previous prime is 21216032365393. The next prime is 21216032365457. The reversal of 21216032365435 is 53456323061212.

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

It is not a de Polignac number, because 21216032365435 - 2¹¹ = 21216032363387 is a prime.

It is a super-3 number, since 3×21216032365435³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21216032365391 and 21216032365400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51746420199 + ... + 51746420608.

It is an arithmetic number, because the mean of its divisors is an integer number (3260024485452).

Almost surely, 2^{21216032365435} is an apocalyptic number.

21216032365435 is a deficient number, since it is larger than the sum of its proper divisors (4864163518181).

21216032365435 is a wasteful number, since it uses less digits than its factorization.

21216032365435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103492840853.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 21216032365435 in words is "twenty-one trillion, two hundred sixteen billion, thirty-two million, three hundred sixty-five thousand, four hundred thirty-five".