21416083945754 has 8 divisors (see below), whose sum is σ = 33520827045600. Its totient is φ = 10242474930556.

The previous prime is 21416083945673. The next prime is 21416083945757. The reversal of 21416083945754 is 45754938061412.

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

It is a super-2 number, since 2×21416083945754² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21416083945693 and 21416083945702.

It is not an unprimeable number, because it can be changed into a prime (21416083945757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232783521104 + ... + 232783521195.

It is an arithmetic number, because the mean of its divisors is an integer number (4190103380700).

It is a 2-persistent number, because it is pandigital, and so is 2⋅21416083945754 = 42832167891508, but 3⋅21416083945754 = 64248251837262 is not.

Almost surely, 2^{21416083945754} is an apocalyptic number.

21416083945754 is a deficient number, since it is larger than the sum of its proper divisors (12104743099846).

21416083945754 is a wasteful number, since it uses less digits than its factorization.

21416083945754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465567042324.

The product of its (nonzero) digits is 29030400, while the sum is 59.

The spelling of 21416083945754 in words is "twenty-one trillion, four hundred sixteen billion, eighty-three million, nine hundred forty-five thousand, seven hundred fifty-four".