421433020334219 has 2 divisors, whose sum is σ = 421433020334220. Its totient is φ = 421433020334218.

The previous prime is 421433020334099. The next prime is 421433020334233. The reversal of 421433020334219 is 912433020334124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421433020334219 - 2³² = 421428725366923 is a prime.

It is a super-2 number, since 2×421433020334219² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (421433020330219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210716510167109 + 210716510167110.

It is an arithmetic number, because the mean of its divisors is an integer number (210716510167110).

Almost surely, 2^{421433020334219} is an apocalyptic number.

421433020334219 is a deficient number, since it is larger than the sum of its proper divisors (1).

421433020334219 is an equidigital number, since it uses as much as digits as its factorization.

421433020334219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 421433020334219 in words is "four hundred twenty-one trillion, four hundred thirty-three billion, twenty million, three hundred thirty-four thousand, two hundred nineteen".