4229779933217 has 2 divisors, whose sum is σ = 4229779933218. Its totient is φ = 4229779933216.

The previous prime is 4229779933207. The next prime is 4229779933241. The reversal of 4229779933217 is 7123399779224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2825841688576 + 1403938244641 = 1681024^2 + 1184879^2 .

It is a cyclic number.

It is not a de Polignac number, because 4229779933217 - 2¹² = 4229779929121 is a prime.

It is not a weakly prime, because it can be changed into another prime (4229779933207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2114889966608 + 2114889966609.

It is an arithmetic number, because the mean of its divisors is an integer number (2114889966609).

Almost surely, 2^{4229779933217} is an apocalyptic number.

It is an amenable number.

4229779933217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4229779933217 is an equidigital number, since it uses as much as digits as its factorization.

4229779933217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72013536, while the sum is 65.

The spelling of 4229779933217 in words is "four trillion, two hundred twenty-nine billion, seven hundred seventy-nine million, nine hundred thirty-three thousand, two hundred seventeen".