4021423141387 has 2 divisors, whose sum is σ = 4021423141388. Its totient is φ = 4021423141386.

The previous prime is 4021423141381. The next prime is 4021423141451. The reversal of 4021423141387 is 7831413241204.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4021423141387 - 2³⁵ = 3987063403019 is a prime.

It is not a weakly prime, because it can be changed into another prime (4021423141381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010711570693 + 2010711570694.

It is an arithmetic number, because the mean of its divisors is an integer number (2010711570694).

Almost surely, 2^{4021423141387} is an apocalyptic number.

4021423141387 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021423141387 is an equidigital number, since it uses as much as digits as its factorization.

4021423141387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 4021423141387 in words is "four trillion, twenty-one billion, four hundred twenty-three million, one hundred forty-one thousand, three hundred eighty-seven".