2750091265 has 4 divisors (see below), whose sum is σ = 3300109524. Its totient is φ = 2200073008.

The previous prime is 2750091263. The next prime is 2750091269. The reversal of 2750091265 is 5621900572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1699747984 + 1050343281 = 41228^2 + 32409^2 .

It is a cyclic number.

It is not a de Polignac number, because 2750091265 - 2¹ = 2750091263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2750091263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275009122 + ... + 275009131.

It is an arithmetic number, because the mean of its divisors is an integer number (825027381).

Almost surely, 2^2750091265 is an apocalyptic number.

It is an amenable number.

2750091265 is a deficient number, since it is larger than the sum of its proper divisors (550018259).

2750091265 is an equidigital number, since it uses as much as digits as its factorization.

2750091265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550018258.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 2750091265 is about 52441.3125789201. The cubic root of 2750091265 is about 1401.0351638302.

The spelling of 2750091265 in words is "two billion, seven hundred fifty million, ninety-one thousand, two hundred sixty-five".