2749800089 has 2 divisors, whose sum is σ = 2749800090. Its totient is φ = 2749800088.

The previous prime is 2749800083. The next prime is 2749800091. The reversal of 2749800089 is 9800089472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2524560025 + 225240064 = 50245^2 + 15008^2 .

It is a cyclic number.

It is not a de Polignac number, because 2749800089 - 2⁴ = 2749800073 is a prime.

It is a super-2 number, since 2×2749800089² = 15122801058928815842, which contains 22 as substring.

Together with 2749800091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2749800083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374900044 + 1374900045.

It is an arithmetic number, because the mean of its divisors is an integer number (1374900045).

Almost surely, 2^2749800089 is an apocalyptic number.

It is an amenable number.

2749800089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2749800089 is an equidigital number, since it uses as much as digits as its factorization.

2749800089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 2749800089 is about 52438.5362972690. The cubic root of 2749800089 is about 1400.9857155060.

The spelling of 2749800089 in words is "two billion, seven hundred forty-nine million, eight hundred thousand, eighty-nine".