1426005514421 has 2 divisors, whose sum is σ = 1426005514422. Its totient is φ = 1426005514420.

The previous prime is 1426005514403. The next prime is 1426005514477. The reversal of 1426005514421 is 1244155006241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1229246733796 + 196758780625 = 1108714^2 + 443575^2 .

It is a cyclic number.

It is not a de Polignac number, because 1426005514421 - 2⁶ = 1426005514357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426005514121) 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, 713002757210 + 713002757211.

It is an arithmetic number, because the mean of its divisors is an integer number (713002757211).

Almost surely, 2^{1426005514421} is an apocalyptic number.

It is an amenable number.

1426005514421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426005514421 is an equidigital number, since it uses as much as digits as its factorization.

1426005514421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 1426005514421 in words is "one trillion, four hundred twenty-six billion, five million, five hundred fourteen thousand, four hundred twenty-one".