21413054219 has 2 divisors, whose sum is σ = 21413054220. Its totient is φ = 21413054218.

The previous prime is 21413054197. The next prime is 21413054233. The reversal of 21413054219 is 91245031412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21413054219 - 2¹² = 21413050123 is a prime.

It is a super-2 number, since 2×21413054219² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21413054269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10706527109 + 10706527110.

It is an arithmetic number, because the mean of its divisors is an integer number (10706527110).

Almost surely, 2^21413054219 is an apocalyptic number.

21413054219 is a deficient number, since it is larger than the sum of its proper divisors (1).

21413054219 is an equidigital number, since it uses as much as digits as its factorization.

21413054219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 21413054219 in words is "twenty-one billion, four hundred thirteen million, fifty-four thousand, two hundred nineteen".