2773145213 has 16 divisors (see below), whose sum is σ = 3169601280. Its totient is φ = 2410442496.

The previous prime is 2773145201. The next prime is 2773145233. The reversal of 2773145213 is 3125413772.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2773145213 - 2¹² = 2773141117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2773145233) 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, 110945 + ... + 133622.

It is an arithmetic number, because the mean of its divisors is an integer number (198100080).

Almost surely, 2^2773145213 is an apocalyptic number.

2773145213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2773145213 is a deficient number, since it is larger than the sum of its proper divisors (396456067).

2773145213 is a wasteful number, since it uses less digits than its factorization.

2773145213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244636.

The product of its digits is 35280, while the sum is 35.

The square root of 2773145213 is about 52660.6609624300. The cubic root of 2773145213 is about 1404.9392227269.

Adding to 2773145213 its reverse (3125413772), we get a palindrome (5898558985).

The spelling of 2773145213 in words is "two billion, seven hundred seventy-three million, one hundred forty-five thousand, two hundred thirteen".