21410443013219 has 16 divisors (see below), whose sum is σ = 24413874700320. Its totient is φ = 18600808343040.

The previous prime is 21410443013177. The next prime is 21410443013233. The reversal of 21410443013219 is 91231034401412.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21410443013219 is a prime.

It is a super-2 number, since 2×21410443013219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21410443013299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68252072 + ... + 68565050.

It is an arithmetic number, because the mean of its divisors is an integer number (1525867168770).

Almost surely, 2^{21410443013219} is an apocalyptic number.

21410443013219 is a deficient number, since it is larger than the sum of its proper divisors (3003431687101).

21410443013219 is a wasteful number, since it uses less digits than its factorization.

21410443013219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622550.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 21410443013219 in words is "twenty-one trillion, four hundred ten billion, four hundred forty-three million, thirteen thousand, two hundred nineteen".