21213433014419 has 2 divisors, whose sum is σ = 21213433014420. Its totient is φ = 21213433014418.

The previous prime is 21213433014407. The next prime is 21213433014421. The reversal of 21213433014419 is 91441033431212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21213433014419 is a prime.

It is a super-2 number, since 2×21213433014419² (a number of 27 digits) contains 22 as substring.

Together with 21213433014421, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (21213433013419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10606716507209 + 10606716507210.

It is an arithmetic number, because the mean of its divisors is an integer number (10606716507210).

Almost surely, 2^{21213433014419} is an apocalyptic number.

21213433014419 is a deficient number, since it is larger than the sum of its proper divisors (1).

21213433014419 is an equidigital number, since it uses as much as digits as its factorization.

21213433014419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 21213433014419 in words is "twenty-one trillion, two hundred thirteen billion, four hundred thirty-three million, fourteen thousand, four hundred nineteen".