2743872917 has 4 divisors (see below), whose sum is σ = 2749264140. Its totient is φ = 2738481696.

The previous prime is 2743872881. The next prime is 2743872941. The reversal of 2743872917 is 7192783472.

It is a happy number.

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 2479940401 + 263932516 = 49799^2 + 16246^2 .

It is a cyclic number.

It is not a de Polignac number, because 2743872917 - 2⁸ = 2743872661 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 (2743772917) 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, 2694848 + ... + 2695865.

It is an arithmetic number, because the mean of its divisors is an integer number (687316035).

Almost surely, 2^2743872917 is an apocalyptic number.

It is an amenable number.

2743872917 is a deficient number, since it is larger than the sum of its proper divisors (5391223).

2743872917 is an equidigital number, since it uses as much as digits as its factorization.

2743872917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5391222.

The product of its digits is 1185408, while the sum is 50.

The square root of 2743872917 is about 52381.9903879186. The cubic root of 2743872917 is about 1399.9783869112.

The spelling of 2743872917 in words is "two billion, seven hundred forty-three million, eight hundred seventy-two thousand, nine hundred seventeen".