16442621503713 has 32 divisors (see below), whose sum is σ = 24507709297920. Its totient is φ = 10895222701440.

The previous prime is 16442621503673. The next prime is 16442621503729. The reversal of 16442621503713 is 31730512624461.

16442621503713 is a `hidden beast` number, since 1 + 6 + 4 + 4 + 2 + 621 + 5 + 0 + 3 + 7 + 13 = 666.

16442621503713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16442621503713 - 2¹⁴ = 16442621487329 is a prime.

It is a super-3 number, since 3×16442621503713³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16442621503733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282556 + ... + 5741522.

It is an arithmetic number, because the mean of its divisors is an integer number (765865915560).

Almost surely, 2^{16442621503713} is an apocalyptic number.

It is an amenable number.

16442621503713 is a deficient number, since it is larger than the sum of its proper divisors (8065087794207).

16442621503713 is a wasteful number, since it uses less digits than its factorization.

16442621503713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5459654 (or 5459648 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 16442621503713 in words is "sixteen trillion, four hundred forty-two billion, six hundred twenty-one million, five hundred three thousand, seven hundred thirteen".