275275027749 has 16 divisors (see below), whose sum is σ = 367507468800. Its totient is φ = 183279720816.

The previous prime is 275275027739. The next prime is 275275027751. The reversal of 275275027749 is 947720572572.

It is a de Polignac number, because none of the positive numbers 2^k-275275027749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275275027739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23050822 + ... + 23062760.

It is an arithmetic number, because the mean of its divisors is an integer number (22969216800).

Almost surely, 2^275275027749 is an apocalyptic number.

It is an amenable number.

275275027749 is a deficient number, since it is larger than the sum of its proper divisors (92232441051).

275275027749 is a wasteful number, since it uses less digits than its factorization.

275275027749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21224.

The product of its (nonzero) digits is 17287200, while the sum is 57.

The spelling of 275275027749 in words is "two hundred seventy-five billion, two hundred seventy-five million, twenty-seven thousand, seven hundred forty-nine".