1421403410019 has 4 divisors (see below), whose sum is σ = 1895204546696. Its totient is φ = 947602273344.

The previous prime is 1421403410017. The next prime is 1421403410041. The reversal of 1421403410019 is 9100143041241.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1421403410019 - 2¹ = 1421403410017 is a prime.

It is a super-2 number, since 2×1421403410019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421403410017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236900568334 + ... + 236900568339.

It is an arithmetic number, because the mean of its divisors is an integer number (473801136674).

Almost surely, 2^{1421403410019} is an apocalyptic number.

1421403410019 is a deficient number, since it is larger than the sum of its proper divisors (473801136677).

1421403410019 is an equidigital number, since it uses as much as digits as its factorization.

1421403410019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473801136676.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 1421403410019 in words is "one trillion, four hundred twenty-one billion, four hundred three million, four hundred ten thousand, nineteen".