2751163505 has 4 divisors (see below), whose sum is σ = 3301396212. Its totient is φ = 2200930800.

The previous prime is 2751163487. The next prime is 2751163507. The reversal of 2751163505 is 5053611572.

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 1212641329 + 1538522176 = 34823^2 + 39224^2 .

It is not a de Polignac number, because 2751163505 - 2¹⁰ = 2751162481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2751163507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275116346 + ... + 275116355.

It is an arithmetic number, because the mean of its divisors is an integer number (825349053).

Almost surely, 2^2751163505 is an apocalyptic number.

It is an amenable number.

2751163505 is a deficient number, since it is larger than the sum of its proper divisors (550232707).

2751163505 is an equidigital number, since it uses as much as digits as its factorization.

2751163505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550232706.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 2751163505 is about 52451.5348202510. The cubic root of 2751163505 is about 1401.2172245454.

The spelling of 2751163505 in words is "two billion, seven hundred fifty-one million, one hundred sixty-three thousand, five hundred five".