4233420979217 has 2 divisors, whose sum is σ = 4233420979218. Its totient is φ = 4233420979216.

The previous prime is 4233420979189. The next prime is 4233420979289. The reversal of 4233420979217 is 7129790243324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3047534826961 + 1185886152256 = 1745719^2 + 1088984^2 .

It is a cyclic number.

It is not a de Polignac number, because 4233420979217 - 2¹⁶ = 4233420913681 is a prime.

It is not a weakly prime, because it can be changed into another prime (4233420970217) 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, 2116710489608 + 2116710489609.

It is an arithmetic number, because the mean of its divisors is an integer number (2116710489609).

Almost surely, 2^{4233420979217} is an apocalyptic number.

It is an amenable number.

4233420979217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4233420979217 is an equidigital number, since it uses as much as digits as its factorization.

4233420979217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 4233420979217 in words is "four trillion, two hundred thirty-three billion, four hundred twenty million, nine hundred seventy-nine thousand, two hundred seventeen".