4234212019991 has 2 divisors, whose sum is σ = 4234212019992. Its totient is φ = 4234212019990.

The previous prime is 4234212019951. The next prime is 4234212020029. The reversal of 4234212019991 is 1999102124324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4234212019991 - 2²⁶ = 4234144911127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4234212019901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2117106009995 + 2117106009996.

It is an arithmetic number, because the mean of its divisors is an integer number (2117106009996).

Almost surely, 2^{4234212019991} is an apocalyptic number.

4234212019991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4234212019991 is an equidigital number, since it uses as much as digits as its factorization.

4234212019991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 4234212019991 in words is "four trillion, two hundred thirty-four billion, two hundred twelve million, nineteen thousand, nine hundred ninety-one".