2698288069 has 2 divisors, whose sum is σ = 2698288070. Its totient is φ = 2698288068.

The previous prime is 2698288063. The next prime is 2698288139. The reversal of 2698288069 is 9608828962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2661528100 + 36759969 = 51590^2 + 6063^2 .

It is a cyclic number.

It is not a de Polignac number, because 2698288069 - 2⁵ = 2698288037 is a prime.

It is a super-2 number, since 2×2698288069² = 14561517006615497522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2698288063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1349144034 + 1349144035.

It is an arithmetic number, because the mean of its divisors is an integer number (1349144035).

Almost surely, 2^2698288069 is an apocalyptic number.

It is an amenable number.

2698288069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2698288069 is an equidigital number, since it uses as much as digits as its factorization.

2698288069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5971968, while the sum is 58.

The square root of 2698288069 is about 51945.0485513297. The cubic root of 2698288069 is about 1392.1822886096.

The spelling of 2698288069 in words is "two billion, six hundred ninety-eight million, two hundred eighty-eight thousand, sixty-nine".