4021424023387 has 2 divisors, whose sum is σ = 4021424023388. Its totient is φ = 4021424023386.

The previous prime is 4021424023343. The next prime is 4021424023459. The reversal of 4021424023387 is 7833204241204.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021424023387 is a prime.

It is not a weakly prime, because it can be changed into another prime (4021424023987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010712011693 + 2010712011694.

It is an arithmetic number, because the mean of its divisors is an integer number (2010712011694).

Almost surely, 2^{4021424023387} is an apocalyptic number.

4021424023387 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021424023387 is an equidigital number, since it uses as much as digits as its factorization.

4021424023387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 40.

The spelling of 4021424023387 in words is "four trillion, twenty-one billion, four hundred twenty-four million, twenty-three thousand, three hundred eighty-seven".