4021930234999 has 2 divisors, whose sum is σ = 4021930235000. Its totient is φ = 4021930234998.

The previous prime is 4021930234967. The next prime is 4021930235017. The reversal of 4021930234999 is 9994320391204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4021930234999 - 2⁵ = 4021930234967 is a prime.

It is a super-2 number, since 2×4021930234999² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021930294999) 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, 2010965117499 + 2010965117500.

It is an arithmetic number, because the mean of its divisors is an integer number (2010965117500).

Almost surely, 2^{4021930234999} is an apocalyptic number.

4021930234999 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021930234999 is an equidigital number, since it uses as much as digits as its factorization.

4021930234999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3779136, while the sum is 55.

The spelling of 4021930234999 in words is "four trillion, twenty-one billion, nine hundred thirty million, two hundred thirty-four thousand, nine hundred ninety-nine".