4021403420071 has 2 divisors, whose sum is σ = 4021403420072. Its totient is φ = 4021403420070.

The previous prime is 4021403420051. The next prime is 4021403420081. The reversal of 4021403420071 is 1700243041204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021403420071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021403420051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010701710035 + 2010701710036.

It is an arithmetic number, because the mean of its divisors is an integer number (2010701710036).

Almost surely, 2^{4021403420071} is an apocalyptic number.

4021403420071 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021403420071 is an equidigital number, since it uses as much as digits as its factorization.

4021403420071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 4021403420071 its reverse (1700243041204), we get a palindrome (5721646461275).

The spelling of 4021403420071 in words is "four trillion, twenty-one billion, four hundred three million, four hundred twenty thousand, seventy-one".