21303303499716 has 96 divisors (see below), whose sum is σ = 59287802999040. Its totient is φ = 5824766459904.

The previous prime is 21303303499697. The next prime is 21303303499717. The reversal of 21303303499716 is 61799430330312.

It is a super-2 number, since 2×21303303499716² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21303303499717) 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 31 ways as a sum of consecutive naturals, for example, 38420301 + ... + 38970836.

It is an arithmetic number, because the mean of its divisors is an integer number (617581281240).

Almost surely, 2^{21303303499716} is an apocalyptic number.

It is an amenable number.

21303303499716 is an abundant number, since it is smaller than the sum of its proper divisors (37984499499324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21303303499716 is a wasteful number, since it uses less digits than its factorization.

21303303499716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77391293 (or 77391291 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 51.

The spelling of 21303303499716 in words is "twenty-one trillion, three hundred three billion, three hundred three million, four hundred ninety-nine thousand, seven hundred sixteen".