2743575921 has 16 divisors (see below), whose sum is σ = 4072854720. Its totient is φ = 1825316640.

The previous prime is 2743575871. The next prime is 2743575931. The reversal of 2743575921 is 1295753472.

It is a happy number.

2743575921 is a `hidden beast` number, since 2 + 7 + 4 + 3 + 57 + 592 + 1 = 666.

2743575921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2743575921 - 2⁹ = 2743575409 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2743575931) 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, 90220 + ... + 116733.

It is an arithmetic number, because the mean of its divisors is an integer number (254553420).

Almost surely, 2^2743575921 is an apocalyptic number.

It is an amenable number.

2743575921 is a deficient number, since it is larger than the sum of its proper divisors (1329278799).

2743575921 is a wasteful number, since it uses less digits than its factorization.

2743575921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207453 (or 207447 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 2743575921 is about 52379.1554055619. The cubic root of 2743575921 is about 1399.9278740053.

The spelling of 2743575921 in words is "two billion, seven hundred forty-three million, five hundred seventy-five thousand, nine hundred twenty-one".