2864332789 has 2 divisors, whose sum is σ = 2864332790. Its totient is φ = 2864332788.

The previous prime is 2864332777. The next prime is 2864332817. The reversal of 2864332789 is 9872334682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2810060100 + 54272689 = 53010^2 + 7367^2 .

It is a cyclic number.

It is not a de Polignac number, because 2864332789 - 2⁹ = 2864332277 is a prime.

It is a super-2 number, since 2×2864332789² = 16408804652281037042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2864332759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1432166394 + 1432166395.

It is an arithmetic number, because the mean of its divisors is an integer number (1432166395).

Almost surely, 2^2864332789 is an apocalyptic number.

It is an amenable number.

2864332789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2864332789 is an equidigital number, since it uses as much as digits as its factorization.

2864332789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 52.

The square root of 2864332789 is about 53519.4617779364. The cubic root of 2864332789 is about 1420.1726942319.

The spelling of 2864332789 in words is "two billion, eight hundred sixty-four million, three hundred thirty-two thousand, seven hundred eighty-nine".