2775672245 has 4 divisors (see below), whose sum is σ = 3330806700. Its totient is φ = 2220537792.

The previous prime is 2775672239. The next prime is 2775672259. The reversal of 2775672245 is 5422765772.

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 724578724 + 2051093521 = 26918^2 + 45289^2 .

It is a cyclic number.

It is not a de Polignac number, because 2775672245 - 2⁸ = 2775671989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2775672245.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 277567220 + ... + 277567229.

It is an arithmetic number, because the mean of its divisors is an integer number (832701675).

Almost surely, 2^2775672245 is an apocalyptic number.

It is an amenable number.

2775672245 is a deficient number, since it is larger than the sum of its proper divisors (555134455).

2775672245 is an equidigital number, since it uses as much as digits as its factorization.

2775672245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555134454.

The product of its digits is 1646400, while the sum is 47.

The square root of 2775672245 is about 52684.6490450492. The cubic root of 2775672245 is about 1405.3658440340.

It can be divided in two parts, 27756 and 72245, that added together give a palindrome (100001).

The spelling of 2775672245 in words is "two billion, seven hundred seventy-five million, six hundred seventy-two thousand, two hundred forty-five".