4021421233267 has 2 divisors, whose sum is σ = 4021421233268. Its totient is φ = 4021421233266.

The previous prime is 4021421233241. The next prime is 4021421233303. The reversal of 4021421233267 is 7623321241204.

4021421233267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4021421233267 - 2⁷ = 4021421233139 is a prime.

It is not a weakly prime, because it can be changed into another prime (4021421533267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010710616633 + 2010710616634.

It is an arithmetic number, because the mean of its divisors is an integer number (2010710616634).

Almost surely, 2^{4021421233267} is an apocalyptic number.

4021421233267 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021421233267 is an equidigital number, since it uses as much as digits as its factorization.

4021421233267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 4021421233267 in words is "four trillion, twenty-one billion, four hundred twenty-one million, two hundred thirty-three thousand, two hundred sixty-seven".