2775251289 has 16 divisors (see below), whose sum is σ = 3739919040. Its totient is φ = 1830427200.

The previous prime is 2775251273. The next prime is 2775251291. The reversal of 2775251289 is 9821525772.

It is not a de Polignac number, because 2775251289 - 2⁴ = 2775251273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2775251209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223174 + ... + 235280.

It is an arithmetic number, because the mean of its divisors is an integer number (233744940).

Almost surely, 2^2775251289 is an apocalyptic number.

It is an amenable number.

2775251289 is a deficient number, since it is larger than the sum of its proper divisors (964667751).

2775251289 is a wasteful number, since it uses less digits than its factorization.

2775251289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12920.

The product of its digits is 705600, while the sum is 48.

The square root of 2775251289 is about 52680.6538399060. The cubic root of 2775251289 is about 1405.2947949281.

The spelling of 2775251289 in words is "two billion, seven hundred seventy-five million, two hundred fifty-one thousand, two hundred eighty-nine".