2797722869 has 2 divisors, whose sum is σ = 2797722870. Its totient is φ = 2797722868.

The previous prime is 2797722857. The next prime is 2797722877. The reversal of 2797722869 is 9682277972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2689770769 + 107952100 = 51863^2 + 10390^2 .

It is a cyclic number.

It is not a de Polignac number, because 2797722869 - 2¹² = 2797718773 is a prime.

It is a super-2 number, since 2×2797722869² = 15654506503451182322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2797722839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1398861434 + 1398861435.

It is an arithmetic number, because the mean of its divisors is an integer number (1398861435).

Almost surely, 2^2797722869 is an apocalyptic number.

It is an amenable number.

2797722869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2797722869 is an equidigital number, since it uses as much as digits as its factorization.

2797722869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10668672, while the sum is 59.

The square root of 2797722869 is about 52893.5049793451. The cubic root of 2797722869 is about 1409.0775565397.

The spelling of 2797722869 in words is "two billion, seven hundred ninety-seven million, seven hundred twenty-two thousand, eight hundred sixty-nine".