21354462062513 has 16 divisors (see below), whose sum is σ = 21712029782400. Its totient is φ = 20998509235200.

The previous prime is 21354462062477. The next prime is 21354462062569. The reversal of 21354462062513 is 31526026445312.

It is not a de Polignac number, because 21354462062513 - 2¹⁸ = 21354461800369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21354462067513) 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 15 ways as a sum of consecutive naturals, for example, 81383618 + ... + 81645588.

It is an arithmetic number, because the mean of its divisors is an integer number (1357001861400).

Almost surely, 2^{21354462062513} is an apocalyptic number.

It is an amenable number.

21354462062513 is a deficient number, since it is larger than the sum of its proper divisors (357567719887).

21354462062513 is a wasteful number, since it uses less digits than its factorization.

21354462062513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265048.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 21354462062513 in words is "twenty-one trillion, three hundred fifty-four billion, four hundred sixty-two million, sixty-two thousand, five hundred thirteen".