4223391769 has 2 divisors, whose sum is σ = 4223391770. Its totient is φ = 4223391768.

The previous prime is 4223391703. The next prime is 4223391779. The reversal of 4223391769 is 9671933224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2377830169 + 1845561600 = 48763^2 + 42960^2 .

It is a cyclic number.

It is not a de Polignac number, because 4223391769 - 2⁹ = 4223391257 is a prime.

It is a super-2 number, since 2×4223391769² = 35674076068913898722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4223391779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111695884 + 2111695885.

It is an arithmetic number, because the mean of its divisors is an integer number (2111695885).

Almost surely, 2^4223391769 is an apocalyptic number.

It is an amenable number.

4223391769 is a deficient number, since it is larger than the sum of its proper divisors (1).

4223391769 is an equidigital number, since it uses as much as digits as its factorization.

4223391769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 46.

The square root of 4223391769 is about 64987.6278148387. The cubic root of 4223391769 is about 1616.4184159052.

The spelling of 4223391769 in words is "four billion, two hundred twenty-three million, three hundred ninety-one thousand, seven hundred sixty-nine".