1421233334419 has 2 divisors, whose sum is σ = 1421233334420. Its totient is φ = 1421233334418.

The previous prime is 1421233334401. The next prime is 1421233334449. The reversal of 1421233334419 is 9144333321241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1421233334419 - 2¹¹ = 1421233332371 is a prime.

It is a super-2 number, since 2×1421233334419² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1421233334449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710616667209 + 710616667210.

It is an arithmetic number, because the mean of its divisors is an integer number (710616667210).

Almost surely, 2^{1421233334419} is an apocalyptic number.

1421233334419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421233334419 is an equidigital number, since it uses as much as digits as its factorization.

1421233334419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 40.

The spelling of 1421233334419 in words is "one trillion, four hundred twenty-one billion, two hundred thirty-three million, three hundred thirty-four thousand, four hundred nineteen".