4028769229 has 2 divisors, whose sum is σ = 4028769230. Its totient is φ = 4028769228.

The previous prime is 4028769149. The next prime is 4028769247. The reversal of 4028769229 is 9229678204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4028440900 + 328329 = 63470^2 + 573^2 .

It is a cyclic number.

It is not a de Polignac number, because 4028769229 - 2¹¹ = 4028767181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4028769299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2014384614 + 2014384615.

It is an arithmetic number, because the mean of its divisors is an integer number (2014384615).

Almost surely, 2^4028769229 is an apocalyptic number.

It is an amenable number.

4028769229 is a deficient number, since it is larger than the sum of its proper divisors (1).

4028769229 is an equidigital number, since it uses as much as digits as its factorization.

4028769229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 4028769229 is about 63472.5864369808. The cubic root of 4028769229 is about 1591.1976563804.

The spelling of 4028769229 in words is "four billion, twenty-eight million, seven hundred sixty-nine thousand, two hundred twenty-nine".