421326055219 has 2 divisors, whose sum is σ = 421326055220. Its totient is φ = 421326055218.

The previous prime is 421326055187. The next prime is 421326055229. The reversal of 421326055219 is 912550623124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421326055219 - 2⁵ = 421326055187 is a prime.

It is a super-2 number, since 2×421326055219² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (421326055229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210663027609 + 210663027610.

It is an arithmetic number, because the mean of its divisors is an integer number (210663027610).

Almost surely, 2^421326055219 is an apocalyptic number.

421326055219 is a deficient number, since it is larger than the sum of its proper divisors (1).

421326055219 is an equidigital number, since it uses as much as digits as its factorization.

421326055219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 421326055219 in words is "four hundred twenty-one billion, three hundred twenty-six million, fifty-five thousand, two hundred nineteen".