4021424023459 has 2 divisors, whose sum is σ = 4021424023460. Its totient is φ = 4021424023458.

The previous prime is 4021424023387. The next prime is 4021424023481. The reversal of 4021424023459 is 9543204241204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4021424023459 - 2¹³ = 4021424015267 is a prime.

It is not a weakly prime, because it can be changed into another prime (4021424093459) 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 as a sum of consecutive naturals, namely, 2010712011729 + 2010712011730.

It is an arithmetic number, because the mean of its divisors is an integer number (2010712011730).

Almost surely, 2^{4021424023459} is an apocalyptic number.

4021424023459 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021424023459 is an equidigital number, since it uses as much as digits as its factorization.

4021424023459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 4021424023459 in words is "four trillion, twenty-one billion, four hundred twenty-four million, twenty-three thousand, four hundred fifty-nine".