2219028769 has 2 divisors, whose sum is σ = 2219028770. Its totient is φ = 2219028768.

The previous prime is 2219028767. The next prime is 2219028827. The reversal of 2219028769 is 9678209122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1637254369 + 581774400 = 40463^2 + 24120^2 .

It is a cyclic number.

It is not a de Polignac number, because 2219028769 - 2¹ = 2219028767 is a prime.

It is a super-2 number, since 2×2219028769² = 9848177355299310722, which contains 22 as substring.

Together with 2219028767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2219028767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1109514384 + 1109514385.

It is an arithmetic number, because the mean of its divisors is an integer number (1109514385).

Almost surely, 2^2219028769 is an apocalyptic number.

It is an amenable number.

2219028769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2219028769 is an equidigital number, since it uses as much as digits as its factorization.

2219028769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 2219028769 is about 47106.5682150589. The cubic root of 2219028769 is about 1304.3304833833.

The spelling of 2219028769 in words is "two billion, two hundred nineteen million, twenty-eight thousand, seven hundred sixty-nine".