2840755969 has 2 divisors, whose sum is σ = 2840755970. Its totient is φ = 2840755968.

The previous prime is 2840755961. The next prime is 2840756033. The reversal of 2840755969 is 9695570482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2818335744 + 22420225 = 53088^2 + 4735^2 .

It is a cyclic number.

It is not a de Polignac number, because 2840755969 - 2³ = 2840755961 is a prime.

It is a super-2 number, since 2×2840755969² = 16139788950818257922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2840755961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1420377984 + 1420377985.

It is an arithmetic number, because the mean of its divisors is an integer number (1420377985).

Almost surely, 2^2840755969 is an apocalyptic number.

It is an amenable number.

2840755969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2840755969 is an equidigital number, since it uses as much as digits as its factorization.

2840755969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The square root of 2840755969 is about 53298.7426587157. The cubic root of 2840755969 is about 1416.2653913878.

The spelling of 2840755969 in words is "two billion, eight hundred forty million, seven hundred fifty-five thousand, nine hundred sixty-nine".