4021430006291 has 2 divisors, whose sum is σ = 4021430006292. Its totient is φ = 4021430006290.

The previous prime is 4021430006239. The next prime is 4021430006323. The reversal of 4021430006291 is 1926000341204.

It is an a-pointer prime, because the next prime (4021430006323) can be obtained adding 4021430006291 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4021430006291 - 2¹⁸ = 4021429744147 is a prime.

It is not a weakly prime, because it can be changed into another prime (4021430003291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010715003145 + 2010715003146.

It is an arithmetic number, because the mean of its divisors is an integer number (2010715003146).

Almost surely, 2^{4021430006291} is an apocalyptic number.

4021430006291 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021430006291 is an equidigital number, since it uses as much as digits as its factorization.

4021430006291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 4021430006291 its reverse (1926000341204), we get a palindrome (5947430347495).

The spelling of 4021430006291 in words is "four trillion, twenty-one billion, four hundred thirty million, six thousand, two hundred ninety-one".